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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_array(self, channels=2):
 """Return the array of multipliers for the dynamic"""

        if channels == 1:
            return self.volume_frames.reshape(-1, 1)
        if channels == 2:
            return np.tile(self.volume_frames, (2, 1)).T
        raise Exception(
            "RawVolume doesn't know what to do with %s channels" % channels)