save project

diy1.py

@@ -5,9 +5,13 @@
 import turtle
 
 pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+color=["red","orange","yellow","green","cyan","blue"]
 # 请创造师在下面接着创作
 pen.speed(9999)
 for i in range(1,99999):
+    pen.pencolor(color[i%6])
     pen.forward(i)
     pen.right(91)
 # 隐藏画笔，保存画布