Hello
First of all I would like to thank professor Yaser and all the Learning from Data staff for an excellent online course. It was a full and enriching experience.
With everything the course has already taught me, I feel a bit abusive and ungrateful asking for more ... but I just have to

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As others in this thread, I also feel that the answer key would be a great plus to the book. Even more, it is definitely something I would be willing to pay for.
I really hope the possibility of creating an answer key would be something to consider.
Thank you very much again... this course has helped me reinforce my love for machine learning