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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 gamma(self, gamma=1.0):
 """Apply gamma correction to the channels of the image. If *gamma* is a tuple, then it should have as many elements as the channels of the image, and the gamma correction is applied elementwise. If *gamma* is a number, the same gamma correction is applied on every channel, if there are several channels in the image. The behaviour of :func:`gamma` is undefined outside the normal [0,1] range of the channels. """

        if isinstance(gamma, (list, tuple)):
            gamma = self.xrify_tuples(gamma)
        elif gamma == 1.0:
            return

        logger.debug("Applying gamma %s", str(gamma))
        attrs = self.data.attrs
        self.data = self.data.clip(min=0)
        self.data **= 1.0 / gamma
        self.data.attrs = attrs