save project

diy1.py

@@ -4,9 +4,12 @@
 """
 import turtle
 pen = turtle.Pen()
+screen=turtle.screen()
+screen.bgcolor("black")
+colors=["red","green","orange","yellow"]
 for i in range(300):
     pen.forward(1)
     pen.right(91)
-# 隐藏画笔，保存画布
+# 隐藏画笔，保存画布r
 turtle.hideturle()
 turtle.done()
\ No newline at end of file