python 面试题

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anzhang28

    fn = 'test.txt'
    pattern = re.compile('\W+')
    with open(fn, 'r', 1024) as f:
        content = f.read()
        content = re.sub(pattern, ' ', content).lower()
        words = content.split(' ')
    uniq_words = list(set(words))
    wc = {}
    for k in uniq_words:
        wc[k] = words.count(k)
    sorted_wc = sorted(wc.items(), key=lambda x:x[1], reverse=True)
    print len(sorted_wc)
    for i in range(0,10):
        print sorted_wc[i]

anzhang28

    fn = 'test.txt'
    pattern = re.compile('\W+')
    with open(fn, 'r', 1024) as f:
        content = f.read()
        content = re.sub(pattern, ' ', content).lower()
        words = content.split(' ')
    uniq_words = list(set(words))
    wc = {}
    for k in uniq_words:
        wc[k] = words.count(k)
    sorted_wc = sorted(wc.items(), key=lambda x:x[1], reverse=True)
    print len(sorted_wc)
    for i in range(0,10):
        print sorted_wc[i]

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: python 面试题 [修改]

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