I was present and unfortunately didn't understand the lecture till I looked up https://en.wikipedia.org/wiki/Huffman_coding https://en.wikipedia.org/wiki/Huffma

I was present and unfortunately didn't understand the lecture till I looked up https://en.wikipedia.org/wiki/Huffman_coding https://en.wikipedia.org/wiki/Huffman_coding halfway through. It was very interesting after that point though!