save project

diy1.py

@@ -6,9 +6,11 @@ import turtle
 
 
 pen = turtle.Pen()
 pen = turtle.Pen()
 colors=["red","blue","orange","green"]
 colors=["red","blue","orange","green"]
+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(1,300):
     pen.color(colors[i%4])
     pen.color(colors[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)