Poll by @Luis Perez
I would rate my understanding of the material in the 01_parsing-a-pdb notebook as:
| 😱 | | 0 |
| 🙁 | ████ | 4 |
| 😐 | ███████████████ | 15 |
| 🙂 | ████ | 4 |
| 😄 | ██ | 2 |