13 lines
255 B
Python
13 lines
255 B
Python
Coordinate = tuple[int, int]
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def add(a: Coordinate, b: Coordinate) -> Coordinate:
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xa, ya = a
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xb, yb = b
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return xa + xb, ya + yb
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def sub(a: Coordinate, b: Coordinate) -> Coordinate:
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xa, ya = a
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xb, yb = b
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return xa - xb, ya - yb
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