save project

diy1.py

@@ -7,9 +7,11 @@ import turtle
 
 pen = turtle.Pen()
 # 请创造师在下面接着创作
-
+color=["red","yellow","blue","green"]
+ 
 pen.speed(1000)
 for i in range(1,300):
+    pen.color(color[i%4])
     pen.forward(i)
     pen.right(91)
 # 隐藏画笔，保存画布