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It returns None. How to assign to video_list the list values?

video_list = [print(video.title) for video in videos]

EDIT : The process to get videos list is very long , that's why I asked for

ghost239
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  • Drop the `print`. You want to store a reference to `video.title`, not print its value to standard output. – chepner Jan 17 '23 at 13:45
  • Assign a list without the `print` and just `print` it afterwards... – Tomerikoo Jan 17 '23 at 13:46
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    Note: It is considered poor form to use a comprehension for side-effects: https://stackoverflow.com/questions/5753597/is-it-pythonic-to-use-list-comprehensions-for-just-side-effects – JonSG Jan 17 '23 at 13:52

4 Answers4

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You should not print. Just get the value video.title . So answer video_list = [video.title for video in videos]

Polatkan Polat
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video_list = [video.title for video in videos]

You can't use print in a list comprehension. Now you will have all values in video_list and you can print it as a list to see the values print(video_list)

Ikram Khan Niazi
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Since print returns None, you could use or to return the value after printing, but this is not recommended.

video_list = [print(video.title) or video.title for video in videos]

It is better to first create the list, then print it after.

Unmitigated
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It would be more readable to keep assigning and printing apart:

video_list = [video.title for video in videos]
print(*video_list, sep='\n')
bereal
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