- `.` - precision flag [1]
- `150` - precision amount [2] - bytes to count after casting to binary representation
- `B` - special conversion type [3] - bytes
[1]: https://docs.python.org/3/library/stdtypes.html#printf-style...
[2]: https://docs.python.org/3/library/stdtypes.html#printf-style...
[3]: https://github.com/yt-dlp/yt-dlp?tab=readme-ov-file#output-t...