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diy1.py

@@ -6,20 +6,13 @@ import turtle
 
 pen = turtle.Pen()
 # 请创造师在下面接着创作
-a=1
-
-for i in range(a):
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","blue","orange","yellow"]
+for i in range(1,300):
     pen.left(91)
-    pen.forward(a)
-    a+=1
-
-    
-
-
-    
-
-
-
+    pen.forward(i)
+    color(i%4)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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