From 2b3cebc48019b437af6a7a7a167148eb5d148895 Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Sun, 8 Jun 2025 23:49:53 +0100
Subject: [PATCH 01/11] Key-Exercises

---
 Sprint-1/1-key-exercises/1-count.js    |  5 +++++
 Sprint-1/1-key-exercises/2-initials.js | 10 +++++++++-
 Sprint-1/1-key-exercises/4-random.js   | 11 +++++++++++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/Sprint-1/1-key-exercises/1-count.js b/Sprint-1/1-key-exercises/1-count.js
index 117bcb2b6..e0be3d795 100644
--- a/Sprint-1/1-key-exercises/1-count.js
+++ b/Sprint-1/1-key-exercises/1-count.js
@@ -4,3 +4,8 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
+
+
+
+//ANSWER:   
+// Take the current value of count, add 1 to it, and store the result back in count. 
\ No newline at end of file
diff --git a/Sprint-1/1-key-exercises/2-initials.js b/Sprint-1/1-key-exercises/2-initials.js
index 47561f617..0b1a04247 100644
--- a/Sprint-1/1-key-exercises/2-initials.js
+++ b/Sprint-1/1-key-exercises/2-initials.js
@@ -5,7 +5,15 @@ let lastName = "Johnson";
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
-let initials = ``;
+
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn
 
+
+
+
+//ANSWER:
+
+let initials = firstName[0]+' '  + middleName[0] +' ' + lastName[0];
+
+    console.log(initials);
\ No newline at end of file
diff --git a/Sprint-1/1-key-exercises/4-random.js b/Sprint-1/1-key-exercises/4-random.js
index 292f83aab..9ef1c5be6 100644
--- a/Sprint-1/1-key-exercises/4-random.js
+++ b/Sprint-1/1-key-exercises/4-random.js
@@ -2,8 +2,19 @@ const minimum = 1;
 const maximum = 100;
 
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
+console.log(num)
+
+
 
 // In this exercise, you will need to work out what num represents?
 // Try breaking down the expression and using documentation to explain what it means
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing
+
+
+//ANSWER:
+
+//Math.random() : Gives a decimal between 0 and 1
+//Multiply by 100 : Now it's between 0 and 100
+//Math.floor() : Turns it into a whole number (0–99)
+//Add 1 : Now it's between 1–100 

From b0c4234568dfb72d3b0f4171496dcb02cb6cc830 Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Mon, 9 Jun 2025 00:50:39 +0100
Subject: [PATCH 02/11] Mandatory-errors

---
 Sprint-1/2-mandatory-errors/0.js |  6 ++++--
 Sprint-1/2-mandatory-errors/1.js | 13 +++++++++++--
 Sprint-1/2-mandatory-errors/2.js | 11 ++++++++++-
 Sprint-1/2-mandatory-errors/3.js | 15 +++++++++++++--
 Sprint-1/2-mandatory-errors/4.js | 12 ++++++++++--
 5 files changed, 48 insertions(+), 9 deletions(-)

diff --git a/Sprint-1/2-mandatory-errors/0.js b/Sprint-1/2-mandatory-errors/0.js
index cf6c5039f..3030ce824 100644
--- a/Sprint-1/2-mandatory-errors/0.js
+++ b/Sprint-1/2-mandatory-errors/0.js
@@ -1,2 +1,4 @@
-This is just an instruction for the first activity - but it is just for human consumption
-We don't want the computer to run these 2 lines - how can we solve this problem?
\ No newline at end of file
+//This is just an instruction for the first activity - but it is just for human consumption
+//We don't want the computer to run these 2 lines - how can we solve this problem?
+
+//ANSWER : Add //  ( CTRL + /)
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/1.js b/Sprint-1/2-mandatory-errors/1.js
index 7a43cbea7..5eeecc5f1 100644
--- a/Sprint-1/2-mandatory-errors/1.js
+++ b/Sprint-1/2-mandatory-errors/1.js
@@ -1,4 +1,13 @@
 // trying to create an age variable and then reassign the value by 1
 
-const age = 33;
-age = age + 1;
+//const age = 33;
+//age = age + 1;
+
+
+
+//ANSWER : age is a const variable and we can not reassign it. We can change it to let like:
+
+
+let age =33;
+age=age+1;
+console.log(age)
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/2.js b/Sprint-1/2-mandatory-errors/2.js
index e09b89831..9b7c4c997 100644
--- a/Sprint-1/2-mandatory-errors/2.js
+++ b/Sprint-1/2-mandatory-errors/2.js
@@ -1,5 +1,14 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
 // what's the error ?
 
-console.log(`I was born in ${cityOfBirth}`);
+// console.log(`I was born in ${cityOfBirth}`);
+// const cityOfBirth = "Bolton";
+
+
+// ANSWER : We should put cityOfBirth before using it in a code.
+
 const cityOfBirth = "Bolton";
+console.log(`I was born in ${cityOfBirth}`);
+
+
+
diff --git a/Sprint-1/2-mandatory-errors/3.js b/Sprint-1/2-mandatory-errors/3.js
index ec101884d..1037ae9e7 100644
--- a/Sprint-1/2-mandatory-errors/3.js
+++ b/Sprint-1/2-mandatory-errors/3.js
@@ -1,5 +1,5 @@
-const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.slice(-4);
+// const cardNumber = 4533787178994213;
+// const last4Digits = cardNumber.slice(-4);
 
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working
@@ -7,3 +7,14 @@ const last4Digits = cardNumber.slice(-4);
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
+
+
+
+// ANSWER : Code is not working because Slice() function is for STRING and we should convert number to string and then ask for last 4 digits.
+
+
+const cardNumber = 4533787178994213;
+let last4Digits = cardNumber.toString()
+last4Digits=last4Digits.slice(-4)
+
+console.log(last4Digits)
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/4.js b/Sprint-1/2-mandatory-errors/4.js
index 21dad8c5d..1388bf6cd 100644
--- a/Sprint-1/2-mandatory-errors/4.js
+++ b/Sprint-1/2-mandatory-errors/4.js
@@ -1,2 +1,10 @@
-const 12HourClockTime = "20:53";
-const 24hourClockTime = "08:53";
\ No newline at end of file
+// const 12HourClockTime = "20:53";
+// const 24hourClockTime = "08:53";
+
+
+//ANSWER: variable should not start with number 
+
+const HourClock24 = "20:53";
+const HourClock12= "08:53";
+
+console.log("The time is: "+HourClock12 + " or",HourClock24)
\ No newline at end of file

From 4c52251f9d05dfbfddaef1bd44c910cd3d12b656 Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Mon, 9 Jun 2025 23:50:03 +0100
Subject: [PATCH 03/11] Mandatory-interpret

---
 .../1-percentage-change.js                    | 26 ++++++++++++++++-
 .../3-mandatory-interpret/2-time-format.js    | 18 +++++++++++-
 Sprint-1/3-mandatory-interpret/3-to-pounds.js | 28 +++++++++++--------
 3 files changed, 58 insertions(+), 14 deletions(-)

diff --git a/Sprint-1/3-mandatory-interpret/1-percentage-change.js b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
index e24ecb8e1..257932337 100644
--- a/Sprint-1/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
@@ -2,7 +2,7 @@ let carPrice = "10,000";
 let priceAfterOneYear = "8,543";
 
 carPrice = Number(carPrice.replaceAll(",", ""));
-priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
 
 const priceDifference = carPrice - priceAfterOneYear;
 const percentageChange = (priceDifference / carPrice) * 100;
@@ -20,3 +20,27 @@ console.log(`The percentage change is ${percentageChange}`);
 // d) Identify all the lines that are variable declarations
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+
+
+
+// ANSWER : 
+
+// A: totally 7 times:
+// 3 times replaceAll()  ,  3 times Number() , 1 time console.log 
+
+
+// B: Missing comma between 2 arguments of replaceAll () function 
+
+
+// C: 
+// carPrice = Number(carPrice.replaceAll(",", ""));
+// priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
+
+
+// D: 
+// let carPrice = "10,000";
+// let priceAfterOneYear = "8,543";
+// const priceDifference = carPrice - priceAfterOneYear;
+// const percentageChange = (priceDifference / carPrice) * 100;
+
+//E: At first it remove the comma and then convert it to Integer
diff --git a/Sprint-1/3-mandatory-interpret/2-time-format.js b/Sprint-1/3-mandatory-interpret/2-time-format.js
index 47d239558..d8008540e 100644
--- a/Sprint-1/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-1/3-mandatory-interpret/2-time-format.js
@@ -1,4 +1,4 @@
-const movieLength = 8784; // length of movie in seconds
+const movieLength = 3600; // length of movie in seconds
 
 const remainingSeconds = movieLength % 60;
 const totalMinutes = (movieLength - remainingSeconds) / 60;
@@ -23,3 +23,19 @@ console.log(result);
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
+
+
+
+
+// ANSWER 
+// A : Totally 6
+
+// B: Just 1 , console.log(result);
+
+// C: % is a remainder operator. It gives the remainder when movieLength is divided by 60.
+
+// D: How many minutes are in this movie.
+
+// E: It shows the time of movie in this style :--->   HH:MM:SS
+
+//F: Yes it works, I tried different movie length in seconds.
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/3-to-pounds.js b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
index 60c9ace69..37a7136d5 100644
--- a/Sprint-1/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
@@ -1,21 +1,24 @@
-const penceString = "399p";
+const penceString = "39867p";
+//create a variable with this value
 
-const penceStringWithoutTrailingP = penceString.substring(
-  0,
-  penceString.length - 1
-);
+const penceStringWithoutTrailingP = penceString.substring(  0,  penceString.length - 1);
+// removes the 'p' from the end of the string
 
 const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
-const pounds = paddedPenceNumberString.substring(
-  0,
-  paddedPenceNumberString.length - 2
-);
+// makes sure the number has at least 3 digits by adding 0 at the start if needed
+
+
+const pounds = paddedPenceNumberString.substring(  0,  paddedPenceNumberString.length - 2);
+//takes all digits except the last 2 as the pounds--> ???.00
+
+
+
+const pence = paddedPenceNumberString  .substring(paddedPenceNumberString.length - 2).padEnd(2, "0");
+// takes the last 2 digits as the pence, adds 0 at the end if it's only 1 digit
 
-const pence = paddedPenceNumberString
-  .substring(paddedPenceNumberString.length - 2)
-  .padEnd(2, "0");
 
 console.log(`£${pounds}.${pence}`);
+//print £pounds.pence
 
 // This program takes a string representing a price in pence
 // The program then builds up a string representing the price in pounds
@@ -25,3 +28,4 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
+

From d518c0c2983609d6356617deb959188ac6f3bd2c Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Tue, 10 Jun 2025 01:12:05 +0100
Subject: [PATCH 04/11] Stretch & Key exercise num 3

---
 Sprint-1/1-key-exercises/3-paths.js   |  8 ++++++--
 Sprint-1/4-stretch-explore/chrome.md  |  9 +++++++++
 Sprint-1/4-stretch-explore/objects.md | 17 +++++++++++++++++
 3 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/Sprint-1/1-key-exercises/3-paths.js b/Sprint-1/1-key-exercises/3-paths.js
index ab90ebb28..e3aa065c6 100644
--- a/Sprint-1/1-key-exercises/3-paths.js
+++ b/Sprint-1/1-key-exercises/3-paths.js
@@ -17,7 +17,11 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = ;
-const ext = ;
+const dir = filePath.slice(0, lastSlashIndex);
 
+const ext = base.slice(base.lastIndexOf("."));
+
+
+console.log(`Dir: ${dir}`);
+console.log(`Ext: ${ext}`);
 // https://www.google.com/search?q=slice+mdn
\ No newline at end of file
diff --git a/Sprint-1/4-stretch-explore/chrome.md b/Sprint-1/4-stretch-explore/chrome.md
index e7dd5feaf..13aacdbf1 100644
--- a/Sprint-1/4-stretch-explore/chrome.md
+++ b/Sprint-1/4-stretch-explore/chrome.md
@@ -11,8 +11,17 @@ In the Chrome console,
 invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
+<!-- it shows a popup msg with this text:Hello world! -->
 
 Now try invoking the function `prompt` with a string input of `"What is your name?"` - store the return value of your call to `prompt` in an variable called `myName`.
 
 What effect does calling the `prompt` function have?
+<!-- It ask user to enter a name with a popup msg -->
+
 What is the return value of `prompt`?
+<!-- If I print it, it shows the text that user entered -->
+
+
+<!-- alert("Hi")
+let Name=prompt("Enter your name please: ")
+alert(name) -->
\ No newline at end of file
diff --git a/Sprint-1/4-stretch-explore/objects.md b/Sprint-1/4-stretch-explore/objects.md
index 0216dee56..d1ce958eb 100644
--- a/Sprint-1/4-stretch-explore/objects.md
+++ b/Sprint-1/4-stretch-explore/objects.md
@@ -6,11 +6,28 @@ Open the Chrome devtools Console, type in `console.log` and then hit enter
 
 What output do you get?
 
+<!-- ƒ log() { [native code] } -->
+
 Now enter just `console` in the Console, what output do you get back?
+<!-- console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …} -->
 
 Try also entering `typeof console`
+<!-- 'object' -->
 
 Answer the following questions:
 
 What does `console` store?
+It is a JavaScript object with methods for showing output and debugging code, like log, warn, error, and assert. 
+
+
+
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+
+
+<!-- console.assert:  It is like if but it does not refer true or false. Just check the condition with msg.
+console.log:   It shows a msg or value like print -->
+
+what does the `.` mean?
+
+<!-- You can have access to method of that object
+log and assert are methods of CONSOLE. -->
\ No newline at end of file

From 73cd2e5a081a086f523088189251aa226e9198db Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Wed, 11 Jun 2025 15:18:18 +0100
Subject: [PATCH 05/11] Sprint2 /Key Error

---
 Sprint-2/1-key-errors/0.js | 21 ++++++++++++++++-----
 Sprint-2/1-key-errors/1.js | 32 ++++++++++++++++++++++++--------
 Sprint-2/1-key-errors/2.js | 17 ++++++++++++-----
 3 files changed, 52 insertions(+), 18 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..20b7bc25a 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,13 +1,24 @@
 // Predict and explain first...
-//  =============> write your prediction here
+// =============>  ANSWER
+// It takes a string and change its first letter to capitial letter aida -----> Aida
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
 
+// function capitalise(str) {
+//   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//   return str;
+// }
+
+// // =============> ANSWER
+// SyntaxError: Identifier 'str' has already been declared
+// It is not allow to  redeclare the parameter str inside the function
+
+// // =============> write your new code here
+let name = "aida";
+
 function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
+  return `${str[0].toUpperCase()}${str.slice(1)}`;
 }
 
-// =============> write your explanation here
-// =============> write your new code here
+console.log(capitalise("aida"));
diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..ec4a2b7c1 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -1,20 +1,36 @@
 // Predict and explain first...
+// =============> ANSWER
+// convertToPercentage function takes a number and multiplaited it to 100,to give the percentage and  then return it.
+//  but it doesn't work because we did'nt call it in the main part.
+//  Also  we can not declare a variable which has been declared already
 
 // Why will an error occur when this program runs?
-// =============> write your prediction here
+// we can not declare a variable which has been declared already
+// SyntaxError: Identifier 'decimalNumber' has already been declared
 
 // Try playing computer with the example to work out what is going on
 
-function convertToPercentage(decimalNumber) {
-  const decimalNumber = 0.5;
-  const percentage = `${decimalNumber * 100}%`;
+// function convertToPercentage(decimalNumber) {
+//   const decimalNumber = 0.5;
+//   const percentage = `${decimalNumber * 100}%`;
 
-  return percentage;
-}
+//   return percentage;
+// }
 
-console.log(decimalNumber);
+// console.log(decimalNumber);
 
-// =============> write your explanation here
+// =============> ANSWER
+// It doesn't work because we did'nt call the function.
 
 // Finally, correct the code to fix the problem
+
 // =============> write your new code here
+
+const decimalNumber = 0.5;
+function convertToPercentage(decimalNumber) {
+  const percentage = `${decimalNumber * 100}%`;
+
+  return percentage;
+}
+
+console.log(convertToPercentage(decimalNumber));
diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..b9c2aa7b9 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -1,20 +1,27 @@
-
-// Predict and explain first BEFORE you run any code...
+// This function does'nt work because we can not set literal value as a parameter.
 
 // this function should square any number but instead we're going to get an error
 
 // =============> write your prediction of the error here
+// An error for number instead of parameter
 
-function square(3) {
-    return num * num;
-}
+// function square(3) {
+//     return num * num;
+// }
 
 // =============> write the error message here
 
+// SyntaxError: Unexpected number
+
 // =============> explain this error message here
+// JavaScript is expecting a variable name (parameter) not a literal value
 
 // Finally, correct the code to fix the problem
 
 // =============> write your new code here
 
+function square(num) {
+  return num * num;
+}
 
+console.log(square(5));

From c7bbe5da3641835d3d50e13c1487b945d7d828fb Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Wed, 11 Jun 2025 15:30:26 +0100
Subject: [PATCH 06/11] Mandatory-debug

---
 Sprint-2/2-mandatory-debug/0.js | 17 ++++++++++++----
 Sprint-2/2-mandatory-debug/1.js | 21 ++++++++++++++------
 Sprint-2/2-mandatory-debug/2.js | 35 +++++++++++++++++++++++++--------
 3 files changed, 55 insertions(+), 18 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..041332654 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -1,14 +1,23 @@
 // Predict and explain first...
+// function should multiply a by b and print the answer. and it DOESN'T return .
+//  So in the Console.log we don't have the result.
 
 // =============> write your prediction here
 
-function multiply(a, b) {
-  console.log(a * b);
-}
+// function multiply(a, b) {
+//   console.log(a * b);
+// }
 
-console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+// console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
 // =============> write your explanation here
+// we don't have result for function because there is no return in function . "The result of multiplying 10 and 32 is undefined"
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function multiply(a, b) {
+  return a * b;
+}
+
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..d2e600991 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,13 +1,22 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// The code doesn't work because the expression a + b comes after the return statement
+// Once the compiler reaches return it exit the function.
+// There is no error. we just don't have answer
+// function sum(a, b) {
+//   return;
+//   a + b;
+// }
 
-function sum(a, b) {
-  return;
-  a + b;
-}
-
-console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+// console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
+// There is no error. we just do not have correct answer.===> The sum of 10 and 32 is undefined
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function sum(a, b) {
+  return a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..5e07a7b78 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -1,24 +1,43 @@
 // Predict and explain first...
 
-// Predict the output of the following code:
 // =============> Write your prediction here
+// This code should return the last digit of each number but again it doesn't return a correct number because it ask to slice(-1) of "num"
+// Predict the output of the following code:
+// 3
+// 3
+// 3
 
-const num = 103;
+// const num = 103;
 
-function getLastDigit() {
-  return num.toString().slice(-1);
-}
+// function getLastDigit() {
+//   return num.toString().slice(-1);
+// }
 
-console.log(`The last digit of 42 is ${getLastDigit(42)}`);
-console.log(`The last digit of 105 is ${getLastDigit(105)}`);
-console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+// console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+// console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+// console.log(`The last digit of 806 is ${getLastDigit(806)}`);
 
 // Now run the code and compare the output to your prediction
 // =============> write the output here
+// 3 3 3
 // Explain why the output is the way it is
+//
+
 // =============> write your explanation here
+//  because we didn't send our parameter to function.
+
 // Finally, correct the code to fix the problem
 // =============> write your new code here
 
+const num = 103;
+
+function getLastDigit(num) {
+  return num.toString().slice(-1);
+}
+
+console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem

From af0409e07005f18746f83bdafd55b073c54c3d13 Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Wed, 11 Jun 2025 17:46:21 +0100
Subject: [PATCH 07/11] Mandatory-implement

---
 Sprint-2/3-mandatory-implement/1-bmi.js       | 10 ++++--
 Sprint-2/3-mandatory-implement/2-cases.js     |  8 +++++
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 33 +++++++++++++++++++
 3 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1..82f029b36 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,5 +15,11 @@
 // It should return their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-    // return the BMI of someone based off their weight and height
-}
\ No newline at end of file
+  let squaredHeight = height * height;
+  let BMI = weight / squaredHeight;
+  BMI = Number(BMI.toFixed(1));
+  return BMI;
+}
+let result = calculateBMI(70, 1.73);
+
+console.log(`The BMI for a person weighing 70kg and 1.73m tall is ${result}`);
diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad..806ef19fb 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,11 @@
 // You will need to come up with an appropriate name for the function
 // Use the MDN string documentation to help you find a solution
 // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
+
+function UPPER_SNAKE_CASE(NewWord) {
+  let UpperWord = NewWord.toUpperCase();
+  let result = UpperWord.replaceAll(" ", "_");
+  return result;
+}
+
+console.log(UPPER_SNAKE_CASE("hello aida hope you are well"));
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a70..67f227695 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,36 @@
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
 // You should call this function a number of times to check it works for different inputs
+
+const penceString = 0;
+function toPounds(penceString) {
+  const penceStringWithoutTrailingP = penceString.substring(
+    0,
+    penceString.length - 1
+  );
+
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+
+  const pounds = paddedPenceNumberString.substring(
+    0,
+    paddedPenceNumberString.length - 2
+  );
+
+  const pence = paddedPenceNumberString
+    .substring(paddedPenceNumberString.length - 2)
+    .padEnd(2, "0");
+
+  return { pounds, pence };
+}
+
+for (let i = 0; i < 5; i++) {
+  let randomNumber = Math.floor(Math.random() * 100001);
+
+  PenceRandom = randomNumber + "p";
+
+  let result = toPounds(PenceRandom);
+
+  console.log(
+    `Random: ${randomNumber}p → Pounds: £${result.pounds}.${result.pence}`
+  );
+}

From d13a01a3080212ade08ceb471a993c88ba4d22b3 Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Wed, 11 Jun 2025 19:06:55 +0100
Subject: [PATCH 08/11] Mandatory-Interpret

---
 Sprint-2/4-mandatory-interpret/time-format.js | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 7c98eb0e8..40587a116 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -10,6 +10,7 @@ function formatTimeDisplay(seconds) {
 
   return `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`;
 }
+console.log(formatTimeDisplay(61));
 
 // You will need to play computer with this example - use the Python Visualiser https://pythontutor.com/visualize.html#mode=edit
 // to help you answer these questions
@@ -17,18 +18,23 @@ function formatTimeDisplay(seconds) {
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here
+// =============> 3 times.
 
 // Call formatTimeDisplay with an input of 61, now answer the following:
 
 // b) What is the value assigned to num when pad is called for the first time?
-// =============> write your answer here
+// =============> It is 0
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here
+// =============> it is 00
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> write your answer here
+// =============> It is 1
+// The last time pad() is called, it's for the seconds value. Since remainingSeconds = 1, num is assigned 1.
+//  pad(1) returns "01" to format the time as hh:mm:ss
 
 // e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> write your answer here
+// =============> 01
+//The last call to pad() formats the seconds.
+// remainingSeconds is 1, so pad(1) is called.Inside pad, 1 becomes "1" (string), and since it's a single digit, it's padded to "01".
+// So the return value is "01".

From 54b19d6d77858a0958dc570f119cd8ce1ee860ed Mon Sep 17 00:00:00 2001
From: aida eslami <ayda.eslami@gmail.com>
Date: Wed, 11 Jun 2025 20:16:43 +0100
Subject: [PATCH 09/11] Stretch-extend

---
 Sprint-2/5-stretch-extend/format-time.js | 55 ++++++++++++++++++++++--
 1 file changed, 51 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js
index 32a32e66b..860038b90 100644
--- a/Sprint-2/5-stretch-extend/format-time.js
+++ b/Sprint-2/5-stretch-extend/format-time.js
@@ -3,15 +3,29 @@
 // Your task is to write tests for as many different groups of input data or edge cases as you can, and fix any bugs you find.
 
 function formatAs12HourClock(time) {
-  const hours = Number(time.slice(0, 2));
-  if (hours > 12) {
-    return `${hours - 12}:00 pm`;
+  const [hourStr, minuteStr] = time.split(":");
+  let hours = Number(hourStr);
+  let suffix = "am";
+
+  if (hours === 0) {
+    hours = 12;
+  } else if (hours === 12) {
+    suffix = "pm";
+  } else if (hours > 12) {
+    hours -= 12;
+    suffix = "pm";
   }
-  return `${time} am`;
+
+  const formattedHour = String(hours).padStart(2, "0");
+  return `${formattedHour}:${minuteStr} ${suffix}`;
 }
 
 const currentOutput = formatAs12HourClock("08:00");
 const targetOutput = "08:00 am";
+console.log(
+  `The current time is 08:00 in 24-hour style, and this is ${targetOutput} in 12-hour style.`
+);
+
 console.assert(
   currentOutput === targetOutput,
   `current output: ${currentOutput}, target output: ${targetOutput}`
@@ -19,7 +33,40 @@ console.assert(
 
 const currentOutput2 = formatAs12HourClock("23:00");
 const targetOutput2 = "11:00 pm";
+console.log(
+  `The current time is 23:00 in 24-hour style, and this is ${targetOutput2} in 12-hour style.`
+);
 console.assert(
   currentOutput2 === targetOutput2,
   `current output: ${currentOutput2}, target output: ${targetOutput2}`
 );
+
+const currentOutput3 = formatAs12HourClock("00:00");
+const targetOutput3 = "12:00 am";
+console.log(
+  `The current time is 00:00 in 24-hour style, and this is ${targetOutput3} in 12-hour style.`
+);
+console.assert(
+  currentOutput3 === targetOutput3,
+  `current output: ${currentOutput3}, target output: ${targetOutput3}`
+);
+
+const currentOutput4 = formatAs12HourClock("13:40");
+const targetOutput4 = "01:40 pm";
+console.log(
+  `The current time is 13:40 in 24-hour style, and this is ${targetOutput4} in 12-hour style.`
+);
+console.assert(
+  currentOutput4 === targetOutput4,
+  `current output: ${currentOutput4}, target output: ${targetOutput4}`
+);
+
+const currentOutput5 = formatAs12HourClock("22:15");
+const targetOutput5 = "10:15 pm";
+console.log(
+  `The current time is 22:15 in 24-hour style, and this is ${targetOutput5} in 12-hour style.`
+);
+console.assert(
+  currentOutput5 === targetOutput5,
+  `current output: ${currentOutput5}, target output: ${targetOutput5}`
+);

From 5c0ad59e4c7f85d656b71b65f5387f1f127c2c67 Mon Sep 17 00:00:00 2001
From: Aida Eslami <ayda.eslami@gmail.com>
Date: Sat, 28 Jun 2025 12:51:03 +0100
Subject: [PATCH 10/11] trial

---
 Sprint-1/1-key-exercises/1-count.js | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/Sprint-1/1-key-exercises/1-count.js b/Sprint-1/1-key-exercises/1-count.js
index e0be3d795..117bcb2b6 100644
--- a/Sprint-1/1-key-exercises/1-count.js
+++ b/Sprint-1/1-key-exercises/1-count.js
@@ -4,8 +4,3 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
-
-
-
-//ANSWER:   
-// Take the current value of count, add 1 to it, and store the result back in count. 
\ No newline at end of file

From 28dff55bc9b045500daf60048ae081b4f9a938c9 Mon Sep 17 00:00:00 2001
From: Aida Eslami <ayda.eslami@gmail.com>
Date: Sat, 28 Jun 2025 12:53:41 +0100
Subject: [PATCH 11/11] sprint 1 removed

---
 Sprint-1/1-key-exercises/2-initials.js        | 10 +------
 Sprint-1/1-key-exercises/3-paths.js           |  8 ++----
 Sprint-1/1-key-exercises/4-random.js          | 11 --------
 Sprint-1/2-mandatory-errors/0.js              |  6 ++--
 Sprint-1/2-mandatory-errors/1.js              | 13 ++-------
 Sprint-1/2-mandatory-errors/2.js              | 11 +-------
 Sprint-1/2-mandatory-errors/3.js              | 15 ++--------
 Sprint-1/2-mandatory-errors/4.js              | 12 ++------
 .../1-percentage-change.js                    | 26 +----------------
 .../3-mandatory-interpret/2-time-format.js    | 18 +-----------
 Sprint-1/3-mandatory-interpret/3-to-pounds.js | 28 ++++++++-----------
 Sprint-1/4-stretch-explore/chrome.md          |  9 ------
 Sprint-1/4-stretch-explore/objects.md         | 17 -----------
 13 files changed, 26 insertions(+), 158 deletions(-)

diff --git a/Sprint-1/1-key-exercises/2-initials.js b/Sprint-1/1-key-exercises/2-initials.js
index 0b1a04247..47561f617 100644
--- a/Sprint-1/1-key-exercises/2-initials.js
+++ b/Sprint-1/1-key-exercises/2-initials.js
@@ -5,15 +5,7 @@ let lastName = "Johnson";
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
-
+let initials = ``;
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn
 
-
-
-
-//ANSWER:
-
-let initials = firstName[0]+' '  + middleName[0] +' ' + lastName[0];
-
-    console.log(initials);
\ No newline at end of file
diff --git a/Sprint-1/1-key-exercises/3-paths.js b/Sprint-1/1-key-exercises/3-paths.js
index e3aa065c6..ab90ebb28 100644
--- a/Sprint-1/1-key-exercises/3-paths.js
+++ b/Sprint-1/1-key-exercises/3-paths.js
@@ -17,11 +17,7 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = filePath.slice(0, lastSlashIndex);
+const dir = ;
+const ext = ;
 
-const ext = base.slice(base.lastIndexOf("."));
-
-
-console.log(`Dir: ${dir}`);
-console.log(`Ext: ${ext}`);
 // https://www.google.com/search?q=slice+mdn
\ No newline at end of file
diff --git a/Sprint-1/1-key-exercises/4-random.js b/Sprint-1/1-key-exercises/4-random.js
index 9ef1c5be6..292f83aab 100644
--- a/Sprint-1/1-key-exercises/4-random.js
+++ b/Sprint-1/1-key-exercises/4-random.js
@@ -2,19 +2,8 @@ const minimum = 1;
 const maximum = 100;
 
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
-console.log(num)
-
-
 
 // In this exercise, you will need to work out what num represents?
 // Try breaking down the expression and using documentation to explain what it means
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing
-
-
-//ANSWER:
-
-//Math.random() : Gives a decimal between 0 and 1
-//Multiply by 100 : Now it's between 0 and 100
-//Math.floor() : Turns it into a whole number (0–99)
-//Add 1 : Now it's between 1–100 
diff --git a/Sprint-1/2-mandatory-errors/0.js b/Sprint-1/2-mandatory-errors/0.js
index 3030ce824..cf6c5039f 100644
--- a/Sprint-1/2-mandatory-errors/0.js
+++ b/Sprint-1/2-mandatory-errors/0.js
@@ -1,4 +1,2 @@
-//This is just an instruction for the first activity - but it is just for human consumption
-//We don't want the computer to run these 2 lines - how can we solve this problem?
-
-//ANSWER : Add //  ( CTRL + /)
\ No newline at end of file
+This is just an instruction for the first activity - but it is just for human consumption
+We don't want the computer to run these 2 lines - how can we solve this problem?
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/1.js b/Sprint-1/2-mandatory-errors/1.js
index 5eeecc5f1..7a43cbea7 100644
--- a/Sprint-1/2-mandatory-errors/1.js
+++ b/Sprint-1/2-mandatory-errors/1.js
@@ -1,13 +1,4 @@
 // trying to create an age variable and then reassign the value by 1
 
-//const age = 33;
-//age = age + 1;
-
-
-
-//ANSWER : age is a const variable and we can not reassign it. We can change it to let like:
-
-
-let age =33;
-age=age+1;
-console.log(age)
\ No newline at end of file
+const age = 33;
+age = age + 1;
diff --git a/Sprint-1/2-mandatory-errors/2.js b/Sprint-1/2-mandatory-errors/2.js
index 9b7c4c997..e09b89831 100644
--- a/Sprint-1/2-mandatory-errors/2.js
+++ b/Sprint-1/2-mandatory-errors/2.js
@@ -1,14 +1,5 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
 // what's the error ?
 
-// console.log(`I was born in ${cityOfBirth}`);
-// const cityOfBirth = "Bolton";
-
-
-// ANSWER : We should put cityOfBirth before using it in a code.
-
-const cityOfBirth = "Bolton";
 console.log(`I was born in ${cityOfBirth}`);
-
-
-
+const cityOfBirth = "Bolton";
diff --git a/Sprint-1/2-mandatory-errors/3.js b/Sprint-1/2-mandatory-errors/3.js
index 1037ae9e7..ec101884d 100644
--- a/Sprint-1/2-mandatory-errors/3.js
+++ b/Sprint-1/2-mandatory-errors/3.js
@@ -1,5 +1,5 @@
-// const cardNumber = 4533787178994213;
-// const last4Digits = cardNumber.slice(-4);
+const cardNumber = 4533787178994213;
+const last4Digits = cardNumber.slice(-4);
 
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working
@@ -7,14 +7,3 @@
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
-
-
-
-// ANSWER : Code is not working because Slice() function is for STRING and we should convert number to string and then ask for last 4 digits.
-
-
-const cardNumber = 4533787178994213;
-let last4Digits = cardNumber.toString()
-last4Digits=last4Digits.slice(-4)
-
-console.log(last4Digits)
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/4.js b/Sprint-1/2-mandatory-errors/4.js
index 1388bf6cd..21dad8c5d 100644
--- a/Sprint-1/2-mandatory-errors/4.js
+++ b/Sprint-1/2-mandatory-errors/4.js
@@ -1,10 +1,2 @@
-// const 12HourClockTime = "20:53";
-// const 24hourClockTime = "08:53";
-
-
-//ANSWER: variable should not start with number 
-
-const HourClock24 = "20:53";
-const HourClock12= "08:53";
-
-console.log("The time is: "+HourClock12 + " or",HourClock24)
\ No newline at end of file
+const 12HourClockTime = "20:53";
+const 24hourClockTime = "08:53";
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/1-percentage-change.js b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
index 257932337..e24ecb8e1 100644
--- a/Sprint-1/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
@@ -2,7 +2,7 @@ let carPrice = "10,000";
 let priceAfterOneYear = "8,543";
 
 carPrice = Number(carPrice.replaceAll(",", ""));
-priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
 
 const priceDifference = carPrice - priceAfterOneYear;
 const percentageChange = (priceDifference / carPrice) * 100;
@@ -20,27 +20,3 @@ console.log(`The percentage change is ${percentageChange}`);
 // d) Identify all the lines that are variable declarations
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
-
-
-
-// ANSWER : 
-
-// A: totally 7 times:
-// 3 times replaceAll()  ,  3 times Number() , 1 time console.log 
-
-
-// B: Missing comma between 2 arguments of replaceAll () function 
-
-
-// C: 
-// carPrice = Number(carPrice.replaceAll(",", ""));
-// priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
-
-
-// D: 
-// let carPrice = "10,000";
-// let priceAfterOneYear = "8,543";
-// const priceDifference = carPrice - priceAfterOneYear;
-// const percentageChange = (priceDifference / carPrice) * 100;
-
-//E: At first it remove the comma and then convert it to Integer
diff --git a/Sprint-1/3-mandatory-interpret/2-time-format.js b/Sprint-1/3-mandatory-interpret/2-time-format.js
index d8008540e..47d239558 100644
--- a/Sprint-1/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-1/3-mandatory-interpret/2-time-format.js
@@ -1,4 +1,4 @@
-const movieLength = 3600; // length of movie in seconds
+const movieLength = 8784; // length of movie in seconds
 
 const remainingSeconds = movieLength % 60;
 const totalMinutes = (movieLength - remainingSeconds) / 60;
@@ -23,19 +23,3 @@ console.log(result);
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
-
-
-
-
-// ANSWER 
-// A : Totally 6
-
-// B: Just 1 , console.log(result);
-
-// C: % is a remainder operator. It gives the remainder when movieLength is divided by 60.
-
-// D: How many minutes are in this movie.
-
-// E: It shows the time of movie in this style :--->   HH:MM:SS
-
-//F: Yes it works, I tried different movie length in seconds.
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/3-to-pounds.js b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
index 37a7136d5..60c9ace69 100644
--- a/Sprint-1/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
@@ -1,24 +1,21 @@
-const penceString = "39867p";
-//create a variable with this value
+const penceString = "399p";
 
-const penceStringWithoutTrailingP = penceString.substring(  0,  penceString.length - 1);
-// removes the 'p' from the end of the string
+const penceStringWithoutTrailingP = penceString.substring(
+  0,
+  penceString.length - 1
+);
 
 const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
-// makes sure the number has at least 3 digits by adding 0 at the start if needed
-
-
-const pounds = paddedPenceNumberString.substring(  0,  paddedPenceNumberString.length - 2);
-//takes all digits except the last 2 as the pounds--> ???.00
-
-
-
-const pence = paddedPenceNumberString  .substring(paddedPenceNumberString.length - 2).padEnd(2, "0");
-// takes the last 2 digits as the pence, adds 0 at the end if it's only 1 digit
+const pounds = paddedPenceNumberString.substring(
+  0,
+  paddedPenceNumberString.length - 2
+);
 
+const pence = paddedPenceNumberString
+  .substring(paddedPenceNumberString.length - 2)
+  .padEnd(2, "0");
 
 console.log(`£${pounds}.${pence}`);
-//print £pounds.pence
 
 // This program takes a string representing a price in pence
 // The program then builds up a string representing the price in pounds
@@ -28,4 +25,3 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
-
diff --git a/Sprint-1/4-stretch-explore/chrome.md b/Sprint-1/4-stretch-explore/chrome.md
index 13aacdbf1..e7dd5feaf 100644
--- a/Sprint-1/4-stretch-explore/chrome.md
+++ b/Sprint-1/4-stretch-explore/chrome.md
@@ -11,17 +11,8 @@ In the Chrome console,
 invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
-<!-- it shows a popup msg with this text:Hello world! -->
 
 Now try invoking the function `prompt` with a string input of `"What is your name?"` - store the return value of your call to `prompt` in an variable called `myName`.
 
 What effect does calling the `prompt` function have?
-<!-- It ask user to enter a name with a popup msg -->
-
 What is the return value of `prompt`?
-<!-- If I print it, it shows the text that user entered -->
-
-
-<!-- alert("Hi")
-let Name=prompt("Enter your name please: ")
-alert(name) -->
\ No newline at end of file
diff --git a/Sprint-1/4-stretch-explore/objects.md b/Sprint-1/4-stretch-explore/objects.md
index d1ce958eb..0216dee56 100644
--- a/Sprint-1/4-stretch-explore/objects.md
+++ b/Sprint-1/4-stretch-explore/objects.md
@@ -6,28 +6,11 @@ Open the Chrome devtools Console, type in `console.log` and then hit enter
 
 What output do you get?
 
-<!-- ƒ log() { [native code] } -->
-
 Now enter just `console` in the Console, what output do you get back?
-<!-- console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …} -->
 
 Try also entering `typeof console`
-<!-- 'object' -->
 
 Answer the following questions:
 
 What does `console` store?
-It is a JavaScript object with methods for showing output and debugging code, like log, warn, error, and assert. 
-
-
-
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
-
-
-<!-- console.assert:  It is like if but it does not refer true or false. Just check the condition with msg.
-console.log:   It shows a msg or value like print -->
-
-what does the `.` mean?
-
-<!-- You can have access to method of that object
-log and assert are methods of CONSOLE. -->
\ No newline at end of file