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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, file_name, model_name='default', overwrite=False, save_streaming_chain=False):
 r""" saves the current state of this object to given file and name. Parameters file_name: str path to desired output file model_name: str, default='default' creates a group named 'model_name' in the given file, which will contain all of the data. If the name already exists, and overwrite is False (default) will raise a RuntimeError. overwrite: bool, default=False Should overwrite existing model names? save_streaming_chain : boolean, default=False if True, the data_producer(s) of this object will also be saved in the given file. Examples -------- """

        from pyemma._base.serialization.h5file import H5File
        try:
            with H5File(file_name=file_name, mode='a') as f:
                f.add_serializable(model_name, obj=self, overwrite=overwrite, save_streaming_chain=save_streaming_chain)
        except Exception as e:
            msg = ('During saving the object {obj}") '
                   'the following error occurred: {error}'.format(obj=self, error=e))
            if isinstance(self, Loggable):
                self.logger.exception(msg)
            else:
                logger.exception(msg)
            raise