PyAp45 Python APCS 題解:病毒演化(AP202007_4), ZeroJudge f582.
https://youtu.be/9d0eD7fODHg
Python APCS 四五級題解播放清單
https://youtube.com/playlist?list=PLpmg1QLbgMuRQXHRkX9iDHyAVIW1D6OJF