auto save

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)
+i=0
+while i<len(message):
+    print(message[i])
+    i+=1
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