Update Exercise_1.py

Author: super30admin

Exercise_1.py

@@ -1 +1,22 @@
+class myStack:
+     def __init__(self):
+         
+     def isEmpty(self):
+         
+     def push(self, item):
+         
+     def pop(self):
+        
+        
+     def peek(self):
+        
+     def size(self):
+         
+     def show(self):
+         
 
+s = myStack()
+s.push('1')
+s.push('2')
+print(s.pop())
+print(s.show())