Question

Write a function in Python pop(S), where S is a stack implemented by a list
of items. The function returns the value deleted from the stack.​

Answer 1

Answer:

1. Create a class Stack with instance variable items initialized to an empty list.

2. Define methods push, pop and is_empty inside the class Stack.

3. The method push appends data to items.

4. The method pop pops the first element in items.

5. The method is_empty returns True only if items is empty.

6. Create an instance of Stack and present a menu to the user to perform operations on the stack

Explanation:

Answer 2

Answer:

def pop(S):

   wh=int(input("what do you want to remove :"))

   S.pop(wh)

   print("new list:",S)

pop(S)