我有一个向量“vec”的子位置。母公司地址为(城镇外线、Chowk、城镇市场)
Parent_Location_Name Sub_Location_Name
0 Town Ext Town Ext_1
1 Town Ext Town Ext_2
2 Town Ext Town Ext_3
3 Town Market Town Market_1
4 Town Market Town Market_2
5 Town Market Town Market_3
6 Town Market Town Market_4
7 Town Market Town Market_5
8 Chowk Chowk_1
9 Chowk Chowk_2
10 Chowk Chowk_3
11 Chowk Chowk_4
vec=['Town Ext_1','Town Ext_2','Town Ext_3','Town Market_1','Town Market_2','Town Market_3','Town Market_4','Town Market_5','Chowk_1','Chowk_2','Chowk_3','Chowk_4']
vec
['Town Ext_1',
'Town Ext_2',
'Town Ext_3',
'Town Market_1',
'Town Market_2',
'Town Market_3',
'Town Market_4',
'Town Market_5',
'Chowk_1',
'Chowk_2',
'Chowk_3',
'Chowk_4']
当我应用list(combinations(vec,4)
时,它给出了所有的组合,但我想要的是每个位置必须选择一次。组合不应涉及(“城镇市场4”、“城镇1”、“城镇2”、“城镇3”),因为子位置Chowk已被三次选择,我们已完全排除城镇外部母位置。它应该是('Town Market_4'、'Town Ext_1'、'Chowk_2'、'Chowk_3')或
('Town Market_4'、'Town Ext_1'、'Chowk_2'、'Town Ext_2')等。我必须让所有母公司至少参与一次
目前没有回答
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