save project

diy1.py

@@ -8,11 +8,11 @@ pen = turtle.Pen()
 screen = turtle.Screen()
 screen.bgcolor("black")
 # 请创造师在下面接着创作
-co = ["red","green","yellow","orange"]
+co = ["red","green","yellow"]
 for i in range(1,700):
-    pen.pencolor(co[1%4])
+    pen.pencolor(co[i%3])
     pen.forward(i)
-    pen.right(91)
+    pen.right(121)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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