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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 b_neg(self):
        '''
        Negative antipodal point on the minor axis, Point class.
        '''
        nb = Point(self.center)

        if self.xAxisIsMinor:
            nb.x -= self.minorRadius
        else:
            nb.y -= self.minorRadius
        return nb