from __future__ import annotations from dataclasses import dataclass from typing import Optional @dataclass class Benefit: brief_description: str extended_description: Optional[str] = None def __str__(self) -> str: if self.extended_description is not None: return f'{self.brief_description}: {self.extended_description}' return self.brief_description ... LinkedIn doesn't let us display Python code in its full glory. Please see here: https://github.com/reef-technologies/handbook/#linkedinpy