From d909b7cba28ba02de884272809af75660a4aa724 Mon Sep 17 00:00:00 2001
From: Larissa Lages <llo@cin.ufpe.br>
Date: Sat, 18 Mar 2023 19:03:27 -0400
Subject: [PATCH 1/3] sum two lists - v1

---
 others/add_two_integers.py | 70 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 others/add_two_integers.py

diff --git a/others/add_two_integers.py b/others/add_two_integers.py
new file mode 100644
index 0000000..5bad8af
--- /dev/null
+++ b/others/add_two_integers.py
@@ -0,0 +1,70 @@
+"""
+Problem Statement
+Given the head pointers of two linked lists where each linked list represents an integer number (each node is a digit), 
+add them and return the resulting linked list. Here, the first node in a list represents the least significant digit.
+"""
+class Node:
+	def __init__(self, value):
+		self.value = value
+		self.next = None
+
+def sum_lists(l1, l2):
+	c = 0
+	l3 = None
+	while l1 or l2:
+		v1 = 0
+		v2 = 0
+		if l1:
+			v1 = l1.value
+			l1 = l1.next
+		if l2:
+			v2 = l2.value
+			l2 = l2.next
+		r = v1 + v2 + c
+		c = r // 10
+		d = r % 10
+
+		if not l3:
+			l3 = Node(d)
+			p3 = l3
+		else:
+			p3.next = Node(d)
+			p3 = p3.next
+
+	return l3
+
+def print_list(l):
+	while l:
+		print("{}->".format(l.value), end = '')
+		l = l.next
+
+def print_number(l):
+	stack = []
+	while l:
+		stack.append(l.value)
+		l = l.next
+	while len(stack) > 0:
+		print("{}".format(stack.pop()), end = '')
+
+def create_linked_list(list_numbers):
+	l = None
+	for n in list_numbers:
+		if not l:
+			l = Node(n)
+			p = l
+		else:
+			p.next = Node(n)
+			p = p.next
+	return l 
+
+first = create_linked_list([1, 2, 3]) #321
+second = create_linked_list([1, 2]) #21
+print("Sum:")
+r = sum_lists(first, second)
+print(print_number(r))
+
+
+
+
+
+

From 4a5b8af0381876f198db2aa47c05c4f346987711 Mon Sep 17 00:00:00 2001
From: Larissa Lages <llo@cin.ufpe.br>
Date: Sat, 18 Mar 2023 19:17:10 -0400
Subject: [PATCH 2/3] fix small bug

---
 others/add_two_integers.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/others/add_two_integers.py b/others/add_two_integers.py
index 5bad8af..4de1a18 100644
--- a/others/add_two_integers.py
+++ b/others/add_two_integers.py
@@ -44,7 +44,8 @@ def print_number(l):
 		stack.append(l.value)
 		l = l.next
 	while len(stack) > 0:
-		print("{}".format(stack.pop()), end = '')
+		v = stack.pop()
+		print("{}".format(v), end = '')
 
 def create_linked_list(list_numbers):
 	l = None
@@ -59,9 +60,10 @@ def create_linked_list(list_numbers):
 
 first = create_linked_list([1, 2, 3]) #321
 second = create_linked_list([1, 2]) #21
-print("Sum:")
+print("Sum:", end='')
 r = sum_lists(first, second)
-print(print_number(r))
+print_number(r)
+print()
 
 
 

From 959db6d1686f2cb4543ad51d006ea470f7bf30e2 Mon Sep 17 00:00:00 2001
From: Larissa Lages <llo@cin.ufpe.br>
Date: Sat, 18 Mar 2023 19:17:48 -0400
Subject: [PATCH 3/3] rm extra new lines

---
 others/add_two_integers.py | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/others/add_two_integers.py b/others/add_two_integers.py
index 4de1a18..ad676c2 100644
--- a/others/add_two_integers.py
+++ b/others/add_two_integers.py
@@ -64,9 +64,3 @@ def create_linked_list(list_numbers):
 r = sum_lists(first, second)
 print_number(r)
 print()
-
-
-
-
-
-