code: def fill_stroke(self, fill = None, stroke = None, opacity = 1, line_width = None):
          
          if line_width: self.set_line_style(line_width)
  
          if fill and stroke:
              self.fill_preserve(fill, opacity)
          elif fill:
              self.fill(fill, opacity)
  
          if stroke:
              self.stroke(stroke)
docs: fill and stroke the drawn area in one go