python 用for循环生成字典_如何在Python中使用for循环创建嵌套字典?

result = {'kind': 'youtube#searchListResponse', 'etag': '5JMmuS5CVq2hYbanuVXwLKfuwXk', 'nextPageToken': 'CAEQAA', 'regionCode': 'US', 'pageInfo': {'totalResults': 1000000, 'resultsPerPage': 1}, 'items': [{'kind': 'youtube#searchResult', 'etag': '_quYyNz6XPXmAaWfx4pkGm_ZXRA', 'id': {'kind': 'youtube#video', 'videoId': 'Jn09UdSb3aA'}, 'snippet': {'publishedAt': '2020-03-04T12:00:04Z', 'channelId': 'UCyOfqgtsQaM3S-VZnsYnHjQ', 'title': 'The Best of Chopin', 'description': 'Buy the MP3 album on the Official Halidon Music Store: Listen to our playlist on Spotify: ialClassics Order â100 ...', 'thumbnails': {'default': {'url': 'https://i.ytimg.com/vi/Jn09UdSb3aA/default.jpg', 'width&#