📝 BE TIL Day 24 0414

⬇️ Main Note
https://docs.google.com/document/d/1rm2x1dT-6L9n6vYU6u98W0X-ySX0k1JoufFb9GcawEw/edit

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Today's TIL is written in Korean since I'm using iamport, Korea payment solution.

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