auto save

diy3.py

-message = "诺依，周末一起去看动漫展吧！" 
+import turtle
 
-# 请使用索引的知识，取出message所有元素
-for i in range(len(message)):  
-    print(message[i])
+colors=["red","orange","yellow","green"]
+turtle.speed(99)
+for i in range(1,300):
+    turtle.color(colors[i%4])
+    turtle.forward(i)
+    turtle.left(91)
     
+turtle.done()
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