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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 load_next_step_handlers(self, filename="./.handler-saves/step.save", del_file_after_loading=True):
 """ Load next step handlers from save file :param filename: Filename of the file where handlers was saved :param del_file_after_loading: Is passed True, after loading save file will be deleted """

        self.next_step_saver.load_handlers(filename, del_file_after_loading)