Current recommendations on discussion boards for job seeking are to complete 300 medium-to-hard Leetcodes in the 60 days before your interview. This is up from 200 1-2 years ago.
If you won't do it there are many others who will.
If you won't do it there are many others who will.
If I'm not going to do a 6 hour take-home assignment for you, I'm definitely not going to do 300 Leetcodes to "prepare". I've been doing this for 34 years. That's my preparation. Either you want what I've got, or you don't.