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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 refresh(self, **kwargs):
 """ Refreshes the plot by rerendering it and then pushing the updated data if the plot has an associated Comm. """

        traverse_setter(self, '_force', True)
        key = self.current_key if self.current_key else self.keys[0]
        dim_streams = [stream for stream in self.streams
                       if any(c in self.dimensions for c in stream.contents)]
        stream_params = stream_parameters(dim_streams)
        key = tuple(None if d in stream_params else k
                    for d, k in zip(self.dimensions, key))
        stream_key = util.wrap_tuple_streams(key, self.dimensions, self.streams)

        self._trigger_refresh(stream_key)
        if self.comm is not None and self.top_level:
            self.push()