If you got the code from a blog, then the author of the blog is the obvious person to ask, not a random website that has no idea what the blog involves.
Since this blog is hosted here, you will find a forum at teh bottom in which you can talk to the author:
Python – Search Youtube for Video[
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Give him some time: remember his timezone may be very different from yours, and he may also be busy - I'm sure he will get back to you if you are patient.