auto save

diy4.py

+key = "诺依你好"
+mi = "asdf"
+list_key = list(key)
+import random
+num = random.randint(0,len(list_key)-1)
+list_key.inster(num,mi)
+print(key1)
+print(list_key)
+print("".jion(list_key))
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