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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(self, key, default=None, with_age=False):
        " Return the value for key if key is in the dictionary, else default. "
        try:
            return self.__getitem__(key, with_age)
        except KeyError:
            if with_age:
                return default, None
            else:
                return default