Generate a random bitcoin address.

        :return: Bitcoin address.

        :Example:
            3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX

def bitcoin_address(self) -> str:
        """Generate a random bitcoin address.

        :return: Bitcoin address.

        :Example:
            3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX
        """
        type_ = self.random.choice(['1', '3'])
        letters = string.ascii_letters + string.digits
        return type_ + ''.join(
            self.random.choice(letters) for _ in range(33))