Drill 28: Change a value — Classes and dataclasses

from dataclasses import dataclass, field

@dataclass
class Learner:
    name: str
    scores: list[int] = field(default_factory=list)

    def average(self) -> float:
        return sum(self.scores) / len(self.scores) if self.scores else 0.0

    def passed(self, mark: float = 75) -> bool:
        return self.average() >= mark

ada = Learner("Ada", [88, 92, 79])
print(ada)
print(f"{ada.average():.1f}")
print(ada.passed())