［AtCoder］ABC-225｜A - Distinct Strings

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• 🔗ABC-225 A - Distinct Strings

提出結果

import itertools


def getString():
    return input()


def main():
    s = list(getString())
    t = ["".join(w) for w in itertools.permutations(s, 3)]

    print(len(set(t)))


if __name__ == "__main__":
    main()