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愚者长安

#1 Created at ... [Delete] [Delete and Lock User]
def str2int(s):
    def replace_str(s):
        return s.replace('.', '', len(s))

    def str2nums(nums):
        digits = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}
        return digits[nums]

    def float_(x, y):
        return x * 10 + y

    return (reduce(float_, map(str2nums, replace_str(s))))/1000


print(str2int('123.456'))

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