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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 save(self, path):
 """Save the specification of this MLPipeline in a JSON file. The content of the JSON file is the dict returned by the `to_dict` method. Args: path (str):
 Path to the JSON file to write. """

        with open(path, 'w') as out_file:
            json.dump(self.to_dict(), out_file, indent=4)