class Screen(object): @property def width(self): return self._width @width.setter def width(self, value): self._width = value @property def height(self): return self._height @height.setter def height(self, value): self._height = value @property def resolution(self): return self._width * self._height a = Screen() a.width = 2 a.height = 3 print(a.width, a.height, a.resolution)
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FJ-W97