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In this coding assignment you will need to: implement simple substitution cipher with permutations. implement letter frequency analysis. apply letter frequency analysis to chosen outputs of your simple substitution encryption. write a little essay to discuss the results: have you been able to crack the cipher using frequency analysis? and why? did you try to crack a ciphertext that has only 10 characters? have you been able to crack it? and why? which is the minimum number of characters in the ciphertext that allowed you to crack it using letter frequency analysis?

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