save project

diy1.py

@@ -9,7 +9,8 @@ pen = turtle.Pen()
 
 
 for i in range(1,300):
 for i in range(1,300):
     pen.forward(i)
     pen.forward(i)
-    
+    colors=["red","orange","yellow","green"]
+    pen.pencolor(colors[i%4])
     pen.right(91)
     pen.right(91)
 # 隐藏画笔，保存画布
 # 隐藏画笔，保存画布
 pen.hideturtle()
 pen.hideturtle()