24 lines
515 B
Python
24 lines
515 B
Python
"""
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``Coordinate``: simple class decorated with ``dataclass`` and a custom ``__str__``::
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>>> moscow = Coordinate(55.756, 37.617)
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>>> print(moscow)
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55.8°N, 37.6°E
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"""
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# tag::COORDINATE[]
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from dataclasses import dataclass
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@dataclass(frozen=True)
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class Coordinate:
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lat: float
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long: float
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def __str__(self):
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ns = 'N' if self.lat >= 0 else 'S'
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we = 'E' if self.long >= 0 else 'W'
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return f'{abs(self.lat):.1f}°{ns}, {abs(self.long):.1f}°{we}'
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# end::COORDINATE[]
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