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PYTHON TUTORIALS » Collections » Stack »

Using Lists as a Stack


stack = []

def pushit():
    stack.append("A")

def popit():
    if len(stack) == 0:
        print 'Cannot pop from an empty stack!'
    else:
        print 'Removed [', 'stack.pop()', ']'

def viewstack():
    print stack      # calls str() internally

pushit()
viewstack()
popit()
viewstack()