在此插入代码
#宽度 @property def width(self): return self._width @width.setter def width(self,value): self._width=value #高度 @property def height(self): return self._height @height.setter def height(self,value): self._height=value #分辨率计算 @property def resolution(self): return self._width*self._height
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梨花菜