List Input Problems [closed]

I am trying to make a password cracker, by asking the user for different information. After the user inputs this information, the code is supposed to give a list of different passwords, by randomly mixing the information the user gave. However, when I tried to put the different variables into a list, it says "NameError: undefined". I'm thinking this is because the variable is equal to input instead of something else. If I put quotation marks around the variable, it becomes a string. I'm a beginner and I'm still confused about how to fix this.

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