def grow(self, *padding):
        """ Grow this rectangle by the given padding on all sides. """
        try:
            lpad, rpad, tpad, bpad = padding
        except ValueError:
            lpad = rpad = tpad = bpad = padding[0]

        self._bottom -= bpad
        self._left -= lpad
        self._width += lpad + rpad
        self._height += tpad + bpad
        return self
def grow ( self , * padding ) : try : lpad , rpad , tpad , bpad = padding except ValueError : lpad = rpad = tpad = bpad = padding [ 0 ] self . _bottom -= bpad self . _left -= lpad self . _width += lpad + rpad self . _height += tpad + bpad return self
Grow this rectangle by the given padding on all sides.