摘要：
def get_list_span(l: list): """ For list ['a', 'a', 'a', 'b', 'c', 'c', 'd', 'd', 'd', 'd'], its span list is [3, 0, 0, 1, 2, 0, 4, 0, 0, 0] . :param
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摘要：
def get_dict_leaves_count(dic): """ If value of a key is a list, count all items in the list as leaves. :param dic: :return: """ if len(dic) == 0: ret
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