Python查询列表内重复值的下标

Python查询列表内重复值的下标

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#将返回seq内所有值为item项的下标
$ def listDuplicate(seq, item):
    startIndex = -1
    strIndexs = []
    while True:
        try:
            strIndex = seq.index(item,startIndex+1)
        except ValueError:
            break
        else:
            strIndexs.append(strIndex)
            startIndex = strIndex
    return strIndexs