save project

diy1.py

@@ -4,12 +4,14 @@
 """
 import turtle
 pen = turtle.Pen()
+p=turtle.Screen()
+p.bgcolor("black")
 pen.speed(0)
-colors=["red","yellow","green","blue"]
-for i in range(1,300):
+colors=["red","yellow","green","blue","purple"]
+for i in range(1,9999):
     pen.forward(i)
     pen.right(91)
-    pen.pencolor(colors[i%4])
+    pen.pencolor(colors[i%5])
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
\ No newline at end of file