code: def toggleMute(self):
          
  
          if not self.muted:
              self._mute()
              if self.delay_thread is not None:
                  self.delay_thread.cancel()
              self.title_prefix = '[Muted] '
              self.muted = True
              self.show_volume = False
          else:
              self._mute()
              self.title_prefix = ''
              self.muted = False
              self.show_volume = True
          if self.oldUserInput['Title'] == '':
              self.outputStream.write(self.title_prefix + self._format_title_string(self.oldUserInput['Input']))
          else:
              self.outputStream.write(self.title_prefix + self._format_title_string(self.oldUserInput['Title']))
docs: mute / unmute player