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diy1.py

@@ -8,7 +8,7 @@ pen = turtle.Pen()
 screen.bgcolor("black")
 # 请创造师在下面接着创作
 color=["green","red","orange","yellow"]
-for i in range(1,300):
+for i in range(1,300,2):
     pen.color(color[i%4])
     pen.forward(i)
     pen.right(91)