我有三本字典，我想把它們組合起來：dict_A = {'Archives': '1234', 'Content Revenue': '4567'}dict_B = {'Archives': {'Content Partners Draft': '1111', 'Revenue Dashboard': '2222', 'Customer Lifetime Value Dashboard': '333', 'Customer Liftime Value V3': '4444'}, 'Content Revenue': {'License Tracker': '5555', 'MONTH_END_PARTNER_REPORT': '6666', 'Par': '7777', 'Report': '8888', 'Impressions': '9999'}}dict_C = {'Content Partners Draft': {'Content Partner Payout': '1111', 'Device Partner Payments': '1111', 'FirstRights (FirstRights xReference)': '1111', 'Sheet1 (Combined Partner Rev Share & Usage Rev Share)': '1111', 'Sheet1 (Rev Share xReference)': '1111'}, 'Revenue Dashboard': {'Device Breakdown CPM and Fill Rate': '1111', 'Device CPM and Fill Rate Targets': '1111', 'Platform Breakdown CPM and Fill Rate': '1111', 'Platform CPM and Fill Rate Targets': '1111'}, 'Customer Lifetime Value Dashboard': {'LTV Data Source 1-9-2020 Extract': '1111'}, 'Customer Liftime Value V3': {'Customer LTV Data Source': '1111'}, 'License Tracker': {'Sheet1 (Licensing)': '1111'}, 'MONTH_END_PARTNER_REPORT': {'impressions_monthly': '1111', 'kpis_monthly_est': '1111'}, 'Par': {'impressions_monthly': '1111', 'kpis_daily_est': '1111', 'kpis_monthly_est': '1111', 'timelines': '1111'}, 'Report': {'kpis_monthly_est': '1111', 'partner_kpis_prog_hourly (public)': '1111'}, 'Impressions': {'impressions_daily': '1111', 'impressions_monthly': '1111'}}結果將dict_A的值組合在一起，并成功dict_B，但僅包含dict_C中的一個值。是否可以將值（鍵）列表作為嵌套字典推導中的值？
1 回答
慕森王
TA貢獻1777條經驗 獲得超3個贊
您可以使用：
combined_dict = {
outer_key: {nested_key: list(dict_C[nested_key].keys())
for nested_key in dict_B[outer_key]}
for outer_key in dict_A}
輸出：
{'Archives': {'Content Partners Draft': ['Content Partner Payout',
'Device Partner Payments',
'FirstRights (FirstRights xReference)',
'Sheet1 (Combined Partner Rev Share & Usage Rev Share)',
'Sheet1 (Rev Share xReference)'],
'Revenue Dashboard': ['Device Breakdown CPM and Fill Rate',
'Device CPM and Fill Rate Targets',
'Platform Breakdown CPM and Fill Rate',
'Platform CPM and Fill Rate Targets'],
'Customer Lifetime Value Dashboard': ['LTV Data Source 1-9-2020 Extract'],
'Customer Liftime Value V3': ['Customer LTV Data Source']},
'Content Revenue': {'License Tracker': ['Sheet1 (Licensing)'],
'MONTH_END_PARTNER_REPORT': ['impressions_monthly', 'kpis_monthly_est'],
'Par': ['impressions_monthly',
'kpis_daily_est',
'kpis_monthly_est',
'timelines'],
'Report': ['kpis_monthly_est', 'partner_kpis_prog_hourly (public)'],
'Impressions': ['impressions_daily', 'impressions_monthly']}}
這行導致你在最終結果中只有一個鍵，它為同一鍵設置來自的所有值，在一個鍵中只能有一個值for nested_value in dict_C[nested_key]}dict_Cnested_keydict_C[nested_key]dict
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