Sets the client's output (on, off, int)
        
        Sets the general purpose output on some display modules to this value.
        Use on to set all outputs to high state, and off to set all to low state.
        The meaning of the integer value depends on your specific device, usually
        it is a bit pattern describing the state of each output line.
        
        Return None or LCDd response on error

def output(self, value):
        """
        Sets the client's output (on, off, int)
        
        Sets the general purpose output on some display modules to this value.
        Use on to set all outputs to high state, and off to set all to low state.
        The meaning of the integer value depends on your specific device, usually
        it is a bit pattern describing the state of each output line.
        
        Return None or LCDd response on error
        """
        response = self.request(("output %s" % (value)).encode())
        if "success" in response:
            return None
        else:
            return response