docs: def set_ports(self, port0 = 0x00, port1 = 0x00):
          'Writes specified value to the pins defined as output by config_ports() method. Writing to input pins has no effect.'
          self.bus.write_byte_data(self.address, self.OUTPUT_PORT0, port0)
          self.bus.write_byte_data(self.address, self.OUTPUT_PORT1, port1)
          return True