Merge pull request #44 from Razor-5/patch-4

Created code to implement stack using list in python

OperationOfStack.py

@@ -0,0 +1,20 @@
+# Python program to demonstrate stack implementation using list
+stack = []
+#append() function to push element in the stack
+stack.append('a')
+stack.append('b')
+stack.append('c')
+
+print('Initial stack')
+print('stack')
+
+# pop() function to pop element form stack in LIFO order
+print('\nElements popped from stack:')
+print(stack.pop())
+print(stack.pop())
+print(stack.pop))
+
+print('\nStack after elements are popped:')
+print(stack)
+# uncommenting print(stack.pop())
+#will cause an IndexError as the stack is now empty