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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 reset(self):
 """ Clears all entries. :return: None """

        for i in range(len(self.values)):
            self.values[i].delete(0, tk.END)

            if self.defaults[i] is not None:
                self.values[i].insert(0, self.defaults[i])