Add files via upload

Author: Chrischege

Data Structures and Algorithms/stack/stack.py

@@ -0,0 +1,27 @@
+class stack:
+ 
+	def __init__(self):
+		self.items=input()
+		print(self.items.lstrip)
+
+	def is_empty(self):
+		return self.items==[]
+
+	def push(self,item):
+		self.items.insert(0,item)
+
+	def pop(self):
+		return self.items.pop(0)
+
+	def print_stack(self):
+		print(self.items)
+
+stack1=stack()
+stack1.push(5)
+stack1.pop()
+stack1.print_stack()
+
+
+	
+
+