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You can restrict search results to show only videos that match a given set of categories and keywords. The reference guide describes how to specify both predefined YouTube categories and user-defined keywords which are also known as tags.

The following code demonstrates how to search using keywords (tags) by changing the search terms to lowercase. Note: Since some words (such as "comedy") can be both a YouTube category and a keyword, category and keyword queries use the convention that a capitalized word ("Comedy") denotes a YouTube category, while a lowercase word ("comedy") denotes a keyword.

xushanfeihu The following code demonstrates how to search using keywords (tags) by changing the search terms to lowercase. Note: Since some words

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Film & Animation

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