''' Module mutate: Purpose provide support for pixel mutation

    Name 1:
    Name 2:

    Email id1:
    Email id2:
'''

def same( p ) :
    ''' Returns a new pixel whose RGB values are (r, g, b), where r, g,
        and b are are the RGB values of pixel p
    '''

    r, g, b = p

    result = ( r, g, b )

    return result


def blue( p ) :
    ''' Returns a new pixel whose RGB values are (0, 0, b), where b is
        the B value of pixel p
    '''
   
    r, g, b = p

    result = ...

    return result

def neg( p ) :
    ''' Returns a new pixel whose RGB values are the inverse of pixel p,
        that is (255 - r, 255 - g, 255 - b), where r, g, and b are are
        the RGB values of pixel p
    '''
   
    r, g, b = p

    result = ...

    return result

def bw( p ) : 
    ''' Returns a new pixel whose RRB values are either (0, 0, 0) or
        (255, 255, 255).  
        
        It returns (0, 0, 0) if the average of RGB values for pixel p is closer 
        to 0 then 255; otherwise, it returns (255, 255, 255)
    '''

    r, g, b = p

    pass

    return result

def grey( p ) :
    ''' Returns a new pixel whose RGB values are (m, m, m) where m is
        is the integer cast of .299r + .587g + .114b, where r, g, and b
        are the RGB values of pixel p
    '''

    pass

def sepia( p ) :
    ''' Returns a new pixel whose RGB values are (sr, sg, sb ) are based on the sepia formula
    '''