json - 我无法追加/更新字典

Question

我不确定我在标题上写了正确的东西。

这是我使用的临时工具：

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Gotta love Prestinni', 'textOriginal': 'See how far a non bitching teammate gets you? Gotta love Prestinni', 'authorDisplayName': 'Cirdec4', 'authorProfileImageUrl': 'https://yt3.ggpht.com/a/AATXAJzg3O6QDkn-MWF-y9ffkTIfYGWuD9ZVCAQJyQ=s48-c-k-c0xffffffff-no-rj-mo', 'authorChannelUrl': 'http://www.youtube.com/channel/UC-ChyQTvh1slIK2qtLNdZMQ', 'authorChannelId': {'value': 'UC-ChyQTvh1slIK2qtLNdZMQ'}, 'canRate': True, 'viewerRating': 'none', 'likeCount': 0, 'publishedAt': '2020-05-25T05:46:36Z', 'updatedAt': '2020-05-25T05:46:36Z', 'video_Title': 'Semi-Final B | New York Subliners vs Chicago Huntsmen | Seattle Surge Home Series | Day 3', 'video_desc': '', 'video_channel': 'Call of Duty League'}}, 'canReply': True, 'totalReplyCount': 0, 'isPublic': True}}, {'kind': 'youtube#commentThread', 'etag': '3CO13KdlL867XPDq--qkeCGwk8E', 'id': 'UgyzOZjkN_qCPt8anV54AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'topLevelComment': {'kind': 'youtube#comment', 'etag': 'hd-hmzfEzI1Nx_tIRnLOZ8GEico', 'id': 'UgyzOZjkN_qCPt8anV54AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'textDisplay': '"Nice shots from accuracy"......\nHuh, I sure hope so lol', 'textOriginal': '"Nice shots from accuracy"......\nHuh, I sure hope so lol', 'authorDisplayName': 'Chance Bates', 'authorProfileImageUrl': 'https://yt3.ggpht.com/a/AATXAJxhpDZUST6nKyOeRPbD6poP5-iNRcOikpz2Dg=s48-c-k-c0xffffffff-no-rj-mo', 'authorChannelUrl': 'http://www.youtube.com/channel/UCzfVbzNLZw8Inh-2LnA959w', 'authorChannelId': {'value': 'UCzfVbzNLZw8Inh-2LnA959w'}, 'canRate': True, 'viewerRating': 'none', 'likeCount': 0, 'publishedAt': '2020-05-25T05:32:58Z', 'updatedAt': '2020-05-25T05:32:58Z', 'video_Title': 'Semi-Final B | New York Subliners vs Chicago Huntsmen | Seattle Surge Home Series | Day 3', 'video_desc': '', 'video_channel': 'Call of Duty League'}}, 'canReply': True, 'totalReplyCount': 0, 'isPublic': True}}, {'kind': 'youtube#commentThread', 'etag': '-UCfMvoReVh9D9aC2Q2eA2RfnO8', 'id': 'UgyIWBG8QznZUw3PU0x4AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'topLevelComment': {'kind': 'youtube#comment', 'etag': 'w24T1f3XcSGWhrIEFxjx54lHfyc', 'id': 'UgyIWBG8QznZUw3PU0x4AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'textDisplay': "", 'textOriginal': "", 'authorDisplayName': 'Jaymes Johnson', 'authorProfileImageUrl': 'https://yt3.ggpht.com/a/AATXAJzcgM94R0IkXuleHeIL6LbqDqazKuqfWpIv=s48-c-k-c0xffffffff-no-rj-mo', 'authorChannelUrl': 'http://www.youtube.com/channel/UC8Fh--z_Cnb8EC2MwDoKefQ', 'authorChannelId': {'value': 'UC8Fh--z_Cnb8EC2MwDoKefQ'}, 'canRate': True, 'viewerRating': 'none', 'likeCount': 0, 'publishedAt': '2020-05-25T04:00:08Z', 'updatedAt': '2020-05-25T04:00:08Z', 'video_Title': 'Semi-Final B | New York Subliners vs Chicago Huntsmen | Seattle Surge Home Series | Day 3', 'video_desc': '', 'video_channel': 'Call of Duty League'}}, 'canReply': True, 'totalReplyCount': 0, 'isPublic': True}}, [{'kind': 'youtube#commentThread', 'etag': '0SjBlnSNrEnRcl3oFeyjGEndxkw', 'id': 'UgxKDSuoYfA0iYpRd-54AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'topLevelComment': {'kind': 'youtube#comment', 'etag': 'waRfKBANuZEcnM3tKUJK8cxLX6Q', 'id': 'UgxKDSuoYfA0iYpRd-54AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'textDisplay': 'Preston really just ties the huntsmen together', 'textOriginal': 'Preston really just ties the huntsmen together', 'authorDisplayName': 'OKG Disbld', 'authorProfileImageUrl': 'https://yt3.ggpht.com/a/AATXAJyF7M6h9c9u5izrIls7mFH5lDdVeD-bkTJJjg=s48-c-k-c0xffffffff-no-rj-mo', 'authorChannelUrl': 'http://www.youtube.com/channel/UCXCn8VPxEK8yx5cn1GSXeVg', 'authorChannelId': {'value': 'UCXCn8VPxEK8yx5cn1GSXeVg'}, 'canRate': True, 'viewerRating': 'none', 'likeCount': 2, 'publishedAt': '2020-05-25T03:54:23Z', 'updatedAt': '2020-05-25T03:54:23Z', 'video_Title': 'Semi-Final B | New York Subliners vs Chicago Huntsmen | Seattle Surge Home Series | Day 3', 'video_desc': '', 'video_channel': 'Call of Duty League'}}, 'canReply': True, 'totalReplyCount': 0, 'isPublic': True}}, {'kind': 'youtube#commentThread', 'etag': 'hkgFxd4BtvECVN-R-9Ce_hDzcbY', 'id': 'UgzUS79dqvguTulmg4J4AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'topLevelComment': {'kind': 'youtube#comment', 'etag': 'j9pEJB2lLa-eW5r9S-MfFWX08TA', 'id': 'UgzUS79dqvguTulmg4J4AaABAg', 'snippet': {'videoId': 'NRl-N8uByHY', 'textDisplay': 'What gaming platform are they playing on?', 'textOriginal': 'What gaming platform are they playing on?', 'authorDisplayName': 'JAY P', 'authorProfileImageUrl': 'https://yt3.ggpht.com/a/AATXAJyccqFTGKWWcUnRXfHtpx_Ukfbzgju-_i6pkA=s48-c-k-c0xffffffff-no-rj-mo', 'authorChannelUrl': 'http://www.youtube.com/channel/UCrG7H4W_Ij1_E1sxD4Kf2WA', 'authorChannelId': {'value': 'UCrG7H4W_Ij1_E1sxD4Kf2WA'}, 'canRate': True, 'viewerRating': 'none', 'likeCount': 0, 'publishedAt': '2020-05-25T03:10:25Z', 'updatedAt': '2020-05-25T03:10:25Z', 'video_Title': 'Semi-Final B | New York Subliners vs Chicago Huntsmen | Seattle Surge Home Series | Day 3', 'video_desc': 'The eighth home series of the 2020 Call of Duty League season is live on May 22, 23, and 24 on YouTube Gaming. 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我尝试了这个并得到了没有错误的输出

z = []
z.append(temp[0]["snippet"])

所以看来我可以为此使用循环，所以我尝试了这个：

for x in range(len(temp)):
    z.append(temp[x]["snippet"])

for x in temp:
    z.append(x["snippet"])

我得到了一个错误：

TypeError: list indices must be integers or slices, not str

我不明白出了什么问题。除了循环部分之外，这两个代码似乎都是完全相同的代码。我浏览了嵌套字典，但找不到答案。

任何人都可以帮我区分吗？我的目标是提取每个元素的 ["snippet"]["topLevelComment"]["snippet"]。并用熊猫制作它的xlsx文件。正如你已经注意到的，我不熟悉字典。所以如果有什么好的方法可以提取这些东西，请赐教。

提前感谢您出色的顾问！

标签： jsonpython-3.xdictionary

Answer 1

这个：

for x in temp:
    print(type(x))

产生这个

<class 'dict'>
<class 'dict'>
<class 'dict'>
<class 'dict'>
<class 'dict'>
<class 'list'>
<class 'list'>
<class 'list'>
<class 'list'>

所以看起来有些元素temp是字典，有些是列表。该错误来自尝试访问列表中x["snippet"]的那些元素。xtemp