save project

diy1.py

@@ -9,11 +9,11 @@ pen = turtle.Pen()
 distance=1
 a=turtle.Screen()
 a.bgcolor("black")
-a1=["red","green","yellow","blue"]
+a1=["green","black","yellow","black"]
 for i in range(1,300,1):
     pen.pencolor(a1[i%4])
     pen.forward(i)
-    pen.right(170)
+    pen.right(91)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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