butter's honest review, Complete Kotlin Coroutines course

I was reading "Kotlin Coroutines: The Definitive Guide," but as someone learning coroutines for the first time, it wasn't easy. Then, upon a friend's recommendation, I ended up taking this course. After taking the course and reading the book, I understand it much better. I think this is an easy-to-understand course because it not only covers coroutines but also explains the background knowledge~

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