90.5 Format

Ref:

https://pyformat.info/

1. Basic formatting
2. Value conversion
3. Padding and aligning strings
4. Truncating long strings
5. Combining truncating and padding
6. Numbers
7. Padding numbers
8. Signed numbers
9. Named placeholders
10. Getitem and Getattr
11. Datetime
12. Parametrized formats
13. Custom objects