class Screen(object):
@property
def width(self):
return self._width
@width.setter
def width(self, value):
if not isinstance(value, (int, float)) and value > 0:
raise ValueError('Please input right number!')
else:
self._width = value
def height(self):
return self._height
@height.setter
def height(self, value):
self._height = value
def resolution(self):
self._resloution = self._height * self._width
return self._resloution
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却道天凉好个秋
class Screen(object):
@property
def width(self):
return self._width
@width.setter
def width(self, value):
if not isinstance(value, (int, float)) and value > 0:
raise ValueError('Please input right number!')
else:
self._width = value
@property
def height(self):
return self._height
@height.setter
def height(self, value):
if not isinstance(value, (int, float)) and value > 0:
raise ValueError('Please input right number!')
else:
self._height = value
@property
def resolution(self):
self._resloution = self._height * self._width
return self._resloution