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Categories / Python Tutorial / Collections

 

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()