Merge branch 'fixup-hw-class3' into 'main'

**Deadline**: 18. October 2023, 23:59

The outcome of class 3 homework will be a merge request. It's similar as class

2 homework, except we want a merge request this time and it needs to be merged.

The outcome of class 3 homework will be a merge request in this repository.

It's similar as class 2 homework, except we want a merge request this time and

it needs to be merged.

- Create a new file in `class3_homework/` subdirectory of this repository with

  a name `<UCO>.txt`. Tell us what you enjoy so far on the course, what new you

  have learned and used already. We'd also appreciate if something is missing.

- Make sure the merge request complies with all the best practices from the class.

- Tomas and Irina will review all merge requests: you may be asked to correct something.

- You have to create the merge request in this upstream repository. Merge

  requests in forks (origin remote) will be ignored.

- Tomas and Irina will review all upstream merge requests: you may be asked to

  correct something.

- Your merge request needs to be merged to pass this class.

- After you've done all of the above, save your command history, especially all

  `git` binary invocations. Put the history in a new file `<UCO>_commands.txt`