Question

Write Do Push(Customer) and DoPop(Customer) methods/function in Python to
add a new Customer and delete a Customer from a List of Customer names,
considering them to act as push and pop operations of the Stack data structure.
​

Answer 1

def DoPush(Customer):

   Stack.append(Customer)

   print("Element : ",Customer," , inserted successfully")

def DoPop():

   if Stack == []:

       print("Stack is Empty")

   else:

       print("Deleted element is : ",Stack.pop())

Stack=[]

i = int(input("0 - exit / 1 - Push / 2 - Pop : "))

while (i!=0):

   if i==1:

       name = input("Enter Customer Name : ")

       DoPush(name)

   elif i==2:

       DoPop()

   else:

       print("Invalid Choice")

   i = int(input("0 - exit / 1 - Push / 2 - Pop : "))