38 lines
807 B
Python
38 lines
807 B
Python
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from math import pi
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class Circle:
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def __init__(self, radius=1):
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self.radius = radius
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def __repr__(self):
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return f"Circle({self.radius})"
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@property
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def radius(self):
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return self._radius
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@radius.setter
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def radius(self, radius):
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if radius < 0:
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raise ValueError("Radius cannot be negative")
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self._radius = radius
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@property
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def diameter(self):
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return 2 * self._radius
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@diameter.setter
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def diameter(self, diameter):
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if diameter < 0:
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raise ValueError("Diameter cannot be negative")
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self._radius = diameter / 2
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@property
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def area(self):
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return pi * self._radius ** 2
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@area.setter
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def area(self, area):
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raise AttributeError("Can't set attribute")
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