save project

diy2.py

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