31 lines
466 B
Python
31 lines
466 B
Python
from dataclasses import dataclass
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@dataclass
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class Student:
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name: str
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nr: int
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sem: int
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@dataclass
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class Rechteck:
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breite: float
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hoehe: float
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def flaeche(self) -> float:
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return self.breite * self.hoehe
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# Validierung
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@dataclass
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class Produkt:
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name: str
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preis: float
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def __post_init__(self):
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if not self.name:
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raise ValueError("...")
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if self.preis < 0:
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raise ValueError("...")
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