save project

diy1.py

@@ -5,12 +5,14 @@
 import turtle
 
 pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen.speed(999)
 colors=["red","orange","blue","green"]
 i=1# 请创造师在下面接着创作
-for i in range(1,350,3):
+for i in range(99999):
     pen.pencolor(colors[i%4])
-    pen.right(91)
+    pen.left(91)
     pen.forward(i)
     i+=1
 # 隐藏画笔，保存画布