Question: in python, Write a program to encode an ASCII text file excerpt.txt using a caesar cipher. It should ask user for input for a shift

in python, Write a program to encode an ASCII text file excerpt.txt using a caesar cipher. It should ask user for input for a shift value from 1-26 and the name of a text file, and write the encoded text to ciphertext.txt. Encode alphabet characters only using Unicode/ASCII values. You are NOT required to decode the ciphertext version, but it does help for testing purposes. Input validation is also not required.

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