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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 get_scale_text(self):
 """Report current scaling in human-readable format. Returns ------- text : str ``'<num> x'`` if enlarged, or ``'1/<num> x'`` if shrunken. """

        scalefactor = self.get_scale_max()
        if scalefactor >= 1.0:
            text = '%.2fx' % (scalefactor)
        else:
            text = '1/%.2fx' % (1.0 / scalefactor)
        return text