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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 _match_class_pos(self):
 """Return the position of the match class."""

        # TODO: add notfitted warnings
        if self.kernel.classes_.shape[0] != 2:
            raise ValueError("Number of classes is {}, expected 2.".format(
                self.kernel.classes_.shape[0]))

        # # get the position of match probabilities
        # classes = list(self.kernel.classes_)
        # return classes.index(1)

        return 1