code: def input(self, opt):
          
  
          for key in self.command['input']:
              if (key == opt) or (self.command['input'][key]['name'] == opt):
                  return self._send_command(['input', key, 'command'])
          return False
docs: Description:
  
              Set the input
              Call with no arguments to get current setting
  
          Arguments:
              opt: string
                  Name provided from input list or key from yaml ("HDMI 1" or "hdmi_1")