save project

diy4.py

@@ -12,8 +12,10 @@ for i in message:
     str3=random.choice(key)
     text=str1+str2+str3
     key_message=key_message+text
-    list_message=list(key_message)
-    index=random.randint()
+list_message=list(key_message)
+index=random.randint(0,len(key_message))
+list_message.insert((index,noise)
+result_message="".join(list_message)
 print(key_message)
 # 请使用私钥key，对message进行加密