adii1823
26 lines
510 B
Python
26 lines
510 B
Python
# oop/dataclass.py
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from dataclasses import dataclass
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@dataclass
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class Body:
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'''Class to represent a physical body.'''
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name: str
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mass: float = 0. # Kg
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speed: float = 1. # m/s
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def kinetic_energy(self) -> float:
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return (self.mass * self.speed ** 2) / 2
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body = Body('Ball', 19, 3.1415)
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print(body.kinetic_energy()) # 93.755711375 Joule
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print(body) # Body(name='Ball', mass=19, speed=3.1415)
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"""
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$ python dataclass.py
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93.755711375
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Body(name='Ball', mass=19, speed=3.1415)
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"""
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