save project

diy1.py

@@ -4,6 +4,8 @@
 """
 """
 import turtle
 import turtle
 pen = turtle.Pen()
 pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
 colors=["red","orange","blue","green"]
 colors=["red","orange","blue","green"]
 for i in range(1,300):
 for i in range(1,300):