-- coding: utf-8 --

class Screen(object): @property def width(self): return self._width @width.setter def width(self,x): if x < 0 or x> 10000: raise ValueError('score must between 0 ~ 10000!') self._width=x

@property
def height(self):
    return self._height
@height.setter
def height(self,x):
    if x < 0 or x> 1000:
        raise ValueError('score must between 0 ~ 1000!')
    self._height=x

@property
def resolution(self):
    return self._width*self._height