save project

diy1.py

@@ -5,9 +5,11 @@
 import turtle
 
 pen = turtle.Pen()
-# 请创造师在下面接着创作
-distance=1
+screen=turtle.Screen()
+screen.bgcolor("black")
+list=["red","orange","yellow","green"]
 for i in range(300):
+    pen.pencolor(list[i%4])
     pen.forward(i)
     i+=1
     pen.right(91)