Python Stack Implementation

#Python Stack Implementation
#Sheldon Alman - sheldonalman at gmail.com

class stack(object):
    def __init__(self):
        self.stack = list()

    def push(self, item):
        self.stack.append(item)

    def pop(self):
        self.stack.pop(len(self.stack)-1)

    def isempty(self):
        if len(self.stack) == 0:
            return True
        else:
            return False

    #displays the last element of the stack
    def peek(self):
        return self.stack[len(self.stack)-1]