Question: Must be written in python. Write a function in python to decrypt a file called 'Encrypt.dat' that was encrypted using the Vigenere cipher. The file

Must be written in python.

Write a function in python to decrypt a file called 'Encrypt.dat' that was encrypted using the Vigenere cipher. The file must be decrypted using a key from a file called 'key.dat' which contains 100 random characters.

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