save project

diy1.py

@@ -6,10 +6,13 @@ import turtle
 
 pen = turtle.Pen()
 pen.speed(1000)
-# 请创造师在下面接着创作
+colors=["blue","red","yellow","white"]
+s = turtle.Screen()
 distance=1
 for i in range(1000):
-    pen.forward(distance)
+    pen.pencolor(colors[i%4])
+    s.bgcolor(colors[i%4])
+    pen.forward(i)
     distance+=1
     pen.right(91)
 pen.hideturtle()