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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 make_plotters(self):
 """Initialize an object for each variable to be plotted."""

        plotters, y = {}, 0
        for var_name in self.var_names:
            plotters[var_name] = VarHandler(
                var_name,
                self.data,
                y,
                model_names=self.model_names,
                combined=self.combined,
                colors=self.colors,
            )
            y = plotters[var_name].y_max()
        return plotters