parameters: (self, distance)
docstring: move turtle forward by specified distance
docstring_summary: move turtle forward by specified distance
docstring_tokens: move turtle forward by specified distance
function: def _go(self, distance):
          """move turtle forward by specified distance"""
          ende = self._position + self._orient * distance
          self._goto(ende)
function_tokens: def _go ( self , distance ) : ende = self . _position + self . _orient * distance self . _goto ( ende )