recipe-578367.py 文件源码

def get_int():
    while msvcrt.kbhit():
        msvcrt.getch()
    buff = ''
    char = msvcrt.getch()
    while char != '\r' or not buff:
        if '0' <= char <= '9':
            sys.stdout.write(char)
            buff += char
        char = msvcrt.getch()
    sys.stdout.write('\n')
    return int(buff)

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