### Lecture 2: Learned representations

1. `tokenization.ipynb`: covers modern tokenization methods
2. `bow.ipynb`: train bag-of-words text classifier variants to classify the sentiment of tweets

References: *The first notebook is based on [Let's building the GPT Tokenizer](https://www.youtube.com/watch?v=zduSFxRajkE) by Andrej Karpathy. The second notebook is adapted from https://github.com/neubig/anlp-code* by Graham Neubig.