code: def control(self, ctl):
          
          if ctl.upper() == "LF":
              self._raw(CTL_LF)
          elif ctl.upper() == "FF":
              self._raw(CTL_FF)
          elif ctl.upper() == "CR":
              self._raw(CTL_CR)
          elif ctl.upper() == "HT":
              self._raw(CTL_HT)
          elif ctl.upper() == "VT":
              self._raw(CTL_VT)
docs: Feed control sequences