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circle: added comments related to TH's solution; removed calls to self._radius that bypass setter call.

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This commit is contained in:
Cacahuete 2020-12-02 23:01:17 +01:00
parent 9c5f9d0c86
commit fc52fe0fda
1 changed files with 5 additions and 3 deletions
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8
circle/circle.py
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@ -2,6 +2,7 @@ from math import pi
class Circle: class Circle:
# Missing docstring
def __init__(self, radius=1): def __init__(self, radius=1):
self.radius = radius self.radius = radius
@ -20,18 +21,19 @@ class Circle:
@property @property
def diameter(self): def diameter(self):
return 2 * self._radius return 2 * self.radius
@diameter.setter @diameter.setter
def diameter(self, diameter): def diameter(self, diameter):
if diameter < 0: if diameter < 0:
raise ValueError("Diameter cannot be negative") raise ValueError("Diameter cannot be negative")
self._radius = diameter / 2 self.radius = diameter / 2
@property @property
def area(self): def area(self):
return pi * self._radius ** 2 return pi * self.radius ** 2
@area.setter @area.setter
def area(self, area): def area(self, area):
# Not required: property without setter will raise AttributeError when set
raise AttributeError("Can't set attribute") raise AttributeError("Can't set attribute")