auto save

diy1.py

@@ -5,9 +5,12 @@
 import turtle
 
 pen = turtle.Pen()
-# 请创造师在下面接着创作
+screen = turtle.Screen()
+screen.bgcolor("black")
+colors = ["red","green","pink","gold"]# 请创造师在下面接着创作
 distance=1
 for y in range(1000):
+    pen.pencolor(colors[y%4])
     pen.forward(y)
     distance+=1
     pen.right(91)