save project

diy2.py

 message = "诺依，周末一起去看动漫展吧！"
-
-# 请对message进行遍历，取出所有元素
-for i in message :
-    print(i) 
+length = len(message)
+i = 0
+while i < length:
+    element = message[i]
+    print(element)
+    i +=1