save project

demo.py

 import turtle
 import turtle
 pen = turtle.Pen()
 pen = turtle.Pen()
-pen.shape(arrow)
+pen.shape('arrow')
 pen.fillcolor('red')
 pen.fillcolor('red')
 pen.begin_fill()
 pen.begin_fill()
 for i in range(5):
 for i in range(5):