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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def without(self, *keys):
 """ Get all items except for those with the specified keys. :param keys: The keys to remove :type keys: tuple :rtype: Collection """

        items = copy(self.items)

        keys = reversed(sorted(keys))

        for key in keys:
            del items[key]

        return self.__class__(items)