def unwrapped_ball(data):
 return (10.0 / (5.0 + sum((((d - 3) ** 2) for d in data))))

def unwrapped_ball ( data ) : return ( 10.0 / ( 5.0 + sum ( ( ( ( d - 3 ) ** 2 ) for d in data ) ) ) )
unwrapped ball benchmark function .