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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 __dict_to_BetterDict(self, attr):
 """Convert the passed attr to a BetterDict if the value is a dict Returns: The new value of the passed attribute."""

        if type(self[attr]) == dict:
            self[attr] = BetterDict(self[attr])

        return self[attr]