save project

diy4.py

@@ -14,8 +14,8 @@ for i in message:
     str3 = random.choice(key)
     text = str1+str2+str3
     key_message = key_message + text
-
+index=random.randint(0,len(key_message))
 list_message = list(key_message)
-list_message.insert(5, noise)
+list_message.insert(index, noise)
 result_message = "".join(list_message)
 print(result_message)