Generate random ``BIC`` (Bank ID Code).

        :return: BIC.

        :Example:
            044025575.

def bic(self) -> str:
        """Generate random ``BIC`` (Bank ID Code).

        :return: BIC.

        :Example:
            044025575.
        """
        country_code = '04'
        code = '{:02}'.format(self.random.randint(1, 10))
        bank_number = '{:02}'.format(self.random.randint(0, 99))
        bank_office = '{:03}'.format(self.random.randint(50, 999))
        bic = country_code + code + bank_number + bank_office
        return bic