ALTERNATIVE STACK IMPLEMENTATION

# Stack Creation

def create stack():

stack list () return atack

#declaring an empty list

Checking for empty stack def Isempty (stack): return len(stack)=0

#Inserting items into the stack def push (stack, n): atack append(n) print("pushed item:+ n)

# Removal of an element from the stack def pop (atack) it (Taempty (stacki): return "stack is empty" return stack.pop()

Displaying the stack elements def show (atack) print("The stack elements are:") for & in atacki

Print (1)

atack create stack ()

pushistack, ate (10)) guab (atack, (2011

push(stack. (30))

Euabistack, at (401) print("popped item: "+ abow (stack) Popistacki