save project

diy1.py

@@ -5,10 +5,13 @@
 import turtle
 
 pen = turtle.Pen()# 请创造师在下面接着创作
-
+iii=["green","pink","red","blue"]
+screen=turtle.Screen()
+screen.bgcolor("black")
 for i in range(1,300):
+    pen.pencolor(iii%4)
     pen.forward(i)
-    pen.right(121)
+    pen.right(91)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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