2주차 문제

https://colab.research.google.com/drive/1tTn72REqurL7lOK77VMQjtwnV-ABBSHG?usp=sharing

3주차 문제

https://colab.research.google.com/drive/1WiYSofeCGvTpELdBr6_jVQ7eI9kZC-Gq?usp=sharing