save project

diy1.py

@@ -10,8 +10,10 @@ screen = turtle.Screen()
 screen.bgcolor("light pink")
 colors=["white","blue","violet","cyan"]
 # 请创造师在下面接着创作aaZ    、
+screen.bgcolor("black")
 pen.speed(100)
 for a in range(300):
+    pen.color(colors[a%4])
     pen.right(91)
     pen.forward(a)
 # 隐藏画笔，保存画布