code: def swipe_left(self, width: int = 1080, length: int = 1920) -> None:
          '''Swipe left.'''
          self.swipe(0.8*width, 0.5*length, 0.2*width, 0.5*lengthf swipe_left(self, width: int = 1080, length: int = 1920) -> None:
          '''Swipe left.'''
          self.swipe(0.8*width, 0.5*length, 0.2*width, 0.5*length)
docs: Swipe left.