code: def bitcoin_address(self) -> str:
          
          type_ = self.random.choice(['1', '3'])
          letters = string.ascii_letters + string.digits
          return type_ + ''.join(
              self.random.choice(letters) for _ in range(33))
docs: Generate a random bitcoin address.
  
          :return: Bitcoin address.
  
          :Example:
              3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX