Crawler Khan Academy All video (subtitles "Video transcript")

For example,

https://www.khanacademy.org/math Enter the secondary page https://www.khanacademy.org/math/early-math Save the title folder Early math review

Go to the bottom of the web page with a play button and crawl the video transcript text

Save the file as shown above titled Counting.txt . All the videos on the Counting page are stored in a Counting.txt file.

EN Category

1. https://www.khanacademy.org/math
2. https://www.khanacademy.org/science
3. https://www.khanacademy.org/humanities
4. https://www.khanacademy.org/college-careers-more
5. https://www.khanacademy.org/test-prep
6. https://www.khanacademy.org/computing
7. https://www.khanacademy.org/economics-finance-domain
8. https://www.khanacademy.org/partner-content
9. https://www.khanacademy.org/ela

RU Category

1. https://ru.khanacademy.org/math
2. https://ru.khanacademy.org/science
3. https://ru.khanacademy.org/economics-finance-domain
4. https://ru.khanacademy.org/computing
5. https://ru.khanacademy.org/humanities

• zh Category

1. https://zh.khanacademy.org/math
2. https://zh.khanacademy.org/science
3. https://zh.khanacademy.org/computing
4. https://zh.khanacademy.org/humanities
5. https://zh.khanacademy.org/college-careers-more
6. https://zh.khanacademy.org/economics-finance-domain

For education
If a person who doesn't know English at all learns these words in the subtitles, he can immediately go to Khan Academy to acquire knowledge.
Video transcript data can be used to make learning lists after removing repeated symbols https://github.com/VaibhavCodeClub/learn or https://ankiweb.net/shared/decks/