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这次自己做了

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def normalize(name):

    return (name.capitalize())

def prod(L):

    return reduce(lambda x, y: x*y, L)

DIGITS = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}

    a = 0

    for n in s:

        if n != '.':

            a = a + 1

        else:

            break

    def fn(x, y):

        return x * 10 + y

    def char2num(s):

        return DIGITS[s]

    b = reduce(fn, map(char2num, s[0:a]))

    def fm(x, y):

        return x * 0.1 + y

    c = reduce(fm, map(char2num, s[:a - len(s): -1]))

    d = fm(c, 0)

    return b + d


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