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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 sorted(self, key=None, reverse=False):
 """ Uses python sort and its passed arguments to sort the input. [1, 2, 3, 4] :param key: sort using key function :param reverse: return list reversed or not :return: sorted sequence """

        return self._transform(transformations.sorted_t(key=key, reverse=reverse))