def _whctrs(anchor):
 w = ((anchor[2] - anchor[0]) + 1)
 h = ((anchor[3] - anchor[1]) + 1)
 x_ctr = (anchor[0] + (0.5 * (w - 1)))
 y_ctr = (anchor[1] + (0.5 * (h - 1)))
 return (w, h, x_ctr, y_ctr)

def _whctrs ( anchor ) : w = ( ( anchor [ 2 ] - anchor [ 0 ] ) + 1 ) h = ( ( anchor [ 3 ] - anchor [ 1 ] ) + 1 ) x_ctr = ( anchor [ 0 ] + ( 0.5 * ( w - 1 ) ) ) y_ctr = ( anchor [ 1 ] + ( 0.5 * ( h - 1 ) ) ) return ( w , h , x_ctr , y_ctr )
return width .