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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 duplicate(self):
        '''
        Returns a copy of the current address.
        @returns: Address
        '''
        return self.__class__(street_address=self.street_address,
                              city=self.city, zipcode=self.zipcode,
                              state=self.state, country=self.country)