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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 add_colorbar(self, *args, **kwargs):
 """DEPRECATED, use `Plot.colorbar` instead """

        warnings.warn(
            "{0}.add_colorbar was renamed {0}.colorbar, this warnings will "
            "result in an error in the future".format(type(self).__name__),
            DeprecationWarning)
        return self.colorbar(*args, **kwargs)