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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 fig_height(self):
 """Figure out the height of this plot."""

        # hand-tuned
        return (
            4
            + len(self.data) * len(self.var_names)
            - 1
            + 0.1 * sum(1 for j in self.plotters.values() for _ in j.iterator())
        )