I was solving the Advent of code 2021 the other day. On the day 4 I suddenly released that I have resolved the question, using OOP methods! Me?! I've never been a big fan of OOP so this shows something. This shows that "this is good question to understand the OOP concepts!". Lets see..
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https://www.youtube.com/watch?v=2mTh0g6fV0E