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import pymorphy2
morph = pymorphy2.MorphAnalyzer()

def counter(s: str) -> dict:
    d = {}
    for i in s:
        if i not in d:
            d[i] = 0
        d[i] += 1
    return d


def sweet_check(s1: str, s2: str):
    STOP_PUNCT = list(',./!@#$%^&*()_+=-<>?\|{}[]`~/')
    STOP = set(
        ["скидка", "скидкой", "скидки", "скидке", "скидкой", "скидке", "недорого", "дешево", "в", "на", "для", "о", "у",
         "и", "с", "из"] + STOP_PUNCT)
    s1 = s1.lower()
    s2 = s2.lower()
    set_s1 = set(s1.split(' ')) - STOP
    set_s2 = set(s2.split(' ')) - STOP
    if set_s1 == set_s2:
        return False
    diff_s1 = ' '.join(list(set_s1 - set_s2))
    diff_s2 = ' '.join(list(set_s2 - set_s1))

    if len(diff_s1) == 0:
        # return diff_s2
        return True
    if len(diff_s2) == 0:
        return False

    return True


def check(s1: str, s2: str, debag=False, morph=morph) -> float:
    STOP_PUNCT = list(',./!@#$%^&*()_+=-<>?\|{}[]`~/')
    STOP = set(
        ["скидка", "скидкой", "скидки", "скидке", "скидкой", "скидке", "недорого", "дешево", "в", "на", "для", "о", "у",
         "и", "с", "из"] + STOP_PUNCT)
    s1 = s1.lower()
    s2 = s2.lower()
    s1 = [morph.parse(i)[0].normal_form for i in s1.split(' ')]
    s2 = [morph.parse(i)[0].normal_form for i in s2.split(' ')]
    set_s1 = set(s1) - STOP
    set_s2 = set(s2) - STOP
    if set_s1 == set_s2:
        return False

    diff_s1 = ' '.join(list(set_s1 - set_s2))
    diff_s2 = ' '.join(list(set_s2 - set_s1))
    if debag:
        print(s1)
        print(s2)

    if len(diff_s1) == 0:
        return True
    if len(diff_s2) == 0:
        return False

    dt = {len(diff_s1): diff_s1, len(diff_s2): diff_s2}

    c = 0
    max_s, min_s = dt[max(len(diff_s1), len(diff_s2))], dt[min(len(diff_s1), len(diff_s2))]
    c_s1 = counter(min_s)
    c_s2 = counter(max_s)
    for i in min_s:
        if i in c_s2 and c_s2[i] > 0:
            c += 1
            c_s2[i] -= 1
        else:
            c -= 1

    if len(diff_s2) == len(diff_s1):
        c -= 1
    if debag:
        print(c / len(min_s))
    if c / len(min_s) < 1.0:
        return True
    return False