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34 lines
754 B
Python
34 lines
754 B
Python
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"""Uses Pythagoras theorem to calculate the distance between two points in space."""
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import math
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class Point:
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def __init__(self, x, y, z):
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self.x = x
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self.y = y
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self.z = z
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def __repr__(self) -> str:
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return f"Point({self.x}, {self.y}, {self.z})"
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def distance(a: Point, b: Point) -> float:
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return math.sqrt(abs(((b.x - a.x) ** 2 + (b.y - a.y) ** 2 + (b.z - a.z) ** 2)))
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def test_distance() -> None:
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"""
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>>> point1 = Point(2, -1, 7)
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>>> point2 = Point(1, -3, 5)
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>>> print(f"Distance from {point1} to {point2} is {distance(point1, point2)}")
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Distance from Point(2, -1, 7) to Point(1, -3, 5) is 3.0
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"""
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pass
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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