def empty(self):
    '\n\t\tReturns whether or not the stack is empty.\n\n\t\tTime Complexity: O(1)\n\t\t\n\t\tReturns:\n\t\t\tbool: whether or not the stack is empty\n\t\t'
    return (len(self.data) == 0)
Returns whether or not the stack is empty.

Time Complexity: O(1)

Returns:
        bool: whether or not the stack is empty
def empty(self):
    '\n\t\tReturns whether or not the stack is empty.\n\n\t\tTime Complexity: O(1)\n\t\t\n\t\tReturns:\n\t\t\tbool: whether or not the stack is empty\n\t\t'
    return (len(self.data) == 0)