循环遍历列表

#coding=utf8

tp = [(1,221,331),(2,222,332),(3,223,333), (4,224,334), (5,225,335),(6,226,336)]
ids = [1,2,3,4,5,6]
i_ids = [1,2,4]
u_ids = [3,5,6]

i_list, u_list = [],[]
def generate(i_ids, u_ids, dataList):
    #flag:标识，1则mainIds为insert, 0则mainIds为update
    #dataList:数据列表
    #i_ids:insert id 列表
    #u_ids:update id 列表
    #@return (insert_list, update_list)
    data_list = dataList
    if len(i_ids) == 0:
        update_list = data_list
        insert_list = []
    elif len(u_ids) == 0:
        insert_list = data_list
        update_list = []
    else:
        insert_list = []
        update_list = []
        mainIds,seconIds,flag = (u_ids,i_ids, 0) if len(i_ids) > len(u_ids) else (i_ids,u_ids, 1)

        def loops(main_ids, d_list):
            m_list, s_list = [], []
            for i in main_ids:
                for j in d_list:
                    if i == j[0]:
                        m_list.append(d_list.pop(d_list.index(j)))
                        break
            s_list = d_list
            return m_list, s_list
        
        a,b = loops(mainIds, data_list)
        insert_list, update_list = (a, b) if flag == 1 else (b, a)
    return insert_list, update_list

print generate(i_ids, u_ids, tp)

　　

来源：https://www.cnblogs.com/bjdxy/archive/2013/03/29/2988942.html