Question: PYTHON: Please provide an Index of Coincidence (IC) program using PYTHON. The program should take a ciphertext string as input and output the IC value.

PYTHON:

Please provide an Index of Coincidence (IC) program using PYTHON. The program should take a ciphertext string as input and output the IC value.

this website allows you to calculate the IC of a string of text: http://practicalcryptography.com/cryptanalysis/text-characterisation/index-coincidence/

but I'm looking for a program.

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