save project

diy1.py

@@ -4,7 +4,8 @@
 """
 """
 import turtle
 import turtle
 
 
-
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen = turtle.Pen()
 pen = turtle.Pen()
 colors=["red","orange","yellow","green"]
 colors=["red","orange","yellow","green"]
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作