# https://www.codewars.com/kata/53f40dff5f9d31b813000774/train/python
# Recover a secret string from random triplets
def recoverSecret(triplets):
    transposed = list(zip(*triplets))
    sets =  [set(x) for x in transposed]
    return sets
    return (sets[0],
            sets[1] - sets[0],
            sets[2] - sets[1] - sets[0])

test_data = [[['t','u','p'], ['w','h','i'], ['t','s','u'], ['a','t','s'], ['h','a','p'], ['t','i','s'], ['w','h','s']],
             [['t', 's', 'f'], ['a', 's', 'u'], ['m', 'a', 'f'], ['a', 'i', 'n'], ['s', 'u', 'n'], ['m', 'f', 'u'], ['a', 't', 'h'], ['t', 'h', 'i'], ['h', 'i', 'f'], ['m', 'h', 'f'], ['a', 'u', 'n'], ['m', 'a', 't'], ['f', 'u', 'n'], ['h', 's', 'n'], ['a', 'i', 's'], ['m', 's', 'n'], ['m', 's', 'u']],
             [['t', 's', 'f'], ['a', 's', 'u'], ['m', 'a', 'f'], ['a', 'i', 'n'], ['s', 'u', 'n'], ['m', 'f', 'u'], ['a', 't', 'h'], ['t', 'h', 'i'], ['h', 'i', 'f'], ['m', 'h', 'f'], ['a', 'u', 'n'], ['m', 'a', 't'], ['f', 'u', 'n'], ['h', 's', 'n'], ['a', 'i', 's'], ['m', 's', 'n'], ['m', 's', 'u']],
             [['g', 'a', 's'], ['o', 'g', 's'], ['c', 'n', 't'], ['c', 'o', 'n'], ['a', 't', 's'], ['g', 'r', 't'], ['r', 't', 's'], ['c', 'r', 'a'], ['g', 'a', 't'], ['n', 'g', 's'], ['o', 'a', 's']]]

def main():
    # tests
    triplets = [['t','u','p'], ['w','h','i'], ['t','s','u'], ['a','t','s'], ['h','a','p'], ['t','i','s'], ['w','h','s']]
    res = recoverSecret(triplets)
    #assert res == "whatisup"

    triplets = [['t', 's', 'f'], ['a', 's', 'u'], ['m', 'a', 'f'], ['a', 'i', 'n'], ['s', 'u', 'n'], ['m', 'f', 'u'], ['a', 't', 'h'], ['t', 'h', 'i'], ['h', 'i', 'f'], ['m', 'h', 'f'], ['a', 'u', 'n'], ['m', 'a', 't'], ['f', 'u', 'n'], ['h', 's', 'n'], ['a', 'i', 's'], ['m', 's', 'n'], ['m', 's', 'u']]
    res = recoverSecret(triplets)
    #assert res == "mathisfun"

    triplets = [['g', 'a', 's'], ['o', 'g', 's'], ['c', 'n', 't'], ['c', 'o', 'n'], ['a', 't', 's'], ['g', 'r', 't'], ['r', 't', 's'], ['c', 'r', 'a'], ['g', 'a', 't'], ['n', 'g', 's'], ['o', 'a', 's']]
    res = recoverSecret(triplets)
    #assert res == "congrats"
    


if __name__ == "__main__":
    main()