save project

diy1.py

@@ -5,7 +5,9 @@
 import turtle
 import turtle
 
 
 pen = turtle.Pen()
 pen = turtle.Pen()
-colors=["red","orange","green","violet"]
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["violet","blue","orange","red"]
 for i in range(1,501):# 请创造师在下面接着创作  
 for i in range(1,501):# 请创造师在下面接着创作  
     pen.forward(i)
     pen.forward(i)
     pen.pencolor(colors[i%4])    
     pen.pencolor(colors[i%4])