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python重写C语言经典100例

'''
【程序85】
题目：判断一个素数能被几个9整除
1.程序分析：
2.程序源代码：
'''
if __name__ == '__main__':
    zi = int(raw_input('input a number:\n'))
    n1 = 1
    c9 = 1
    m9 = 9
    sum = 9
    while n1 != 0:
        if sum % zi == 0:
            n1 = 0
        else:
            m9 *= 10
            sum += m9
            c9 += 1
    print '%d can be divided by %d 9' % (sum,c9)