auto save

diy3.py

-message = "诺依，周末一起去看动漫展吧！"
-
-# 请使用索引的知识，取出message所有元素（不用遍历的方式）
-# for i in range(len(message)):
-#     print(message[i])
+import random
+key = "信息加密"
+str = random.choice(key)
+print(str)
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-
-a = list(message)
-print(a)
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