from setuptools.sandbox import pushd

from pickle import POP

from idlelib.textView import view_file

stack = []

def pushit():

stack.append(input("enter new string:").strip())

def popit():

if len(stack) == 0:

print("cannot pop from an empty stack")

else:

print("Removed [", stack.pop(), "]")

def viewstack():

print(stack)

CMDs = {'u': pushit, 'o': popit, 'v':viewstack}

def showmenu():

pr="""

push

POP

view

quit

enter choice:"""

while True:

while True:

try:

choice = input("enter").strip().lower()

except(EOFError, KeyboardInterrupt, IndentationError):

choice = "q"

print("you picked:[%s]" % choice)

if choice not in "uovq":

print("Ivalid option, try again")

else:

break

if choice == "q":

break

CMDs[choice]()

if __name__ == "__main__":

showmenu()