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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 to_file(self, f):
 """Saves the history as a json file. In order to use this feature, the history must only contain JSON encodable Python data structures. Numpy and PyTorch types should not be in the history. Parameters f : file-like object or str """

        with open_file_like(f, 'w') as fp:
            json.dump(self.to_list(), fp)