auto save

diy1.py

@@ -5,13 +5,15 @@
 import turtle
 
 pen = turtle.Pen()
+s = turtle.Screen()
+s.bgcolor("black")
 # 请创造师在下面接着创作
-distance = 1
+color=["red","blue","green","pink"]
 pen.speed(10000)
-for i in range(300):
-    pen.forward(distance)
+for i in range(1,300):
+    pen.pencolor( color[i%4] )
+    pen.forward(i)
     pen.right(91)
-    distance += 1
 
 # 隐藏画笔，保存画布
 pen.hideturtle()