save project

diy1.py

@@ -6,9 +6,9 @@ import turtle
 
 
 pen = turtle.Pen()
 pen = turtle.Pen()
 colors=["red","orange","yellow","green"]
 colors=["red","orange","yellow","green"]
-pen.speed(200)
+pen.speed(100)
 screen=turtle.Screen()
 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
 for i in range(300):
 for i in range(300):
     pen.pencolor(colors[i%4])
     pen.pencolor(colors[i%4])