def diff_info(data):
    """
    >>> diff_info([5,5,10,10,5,5,10,10])
    (0, 15)
    >>> diff_info([5,10,10,5,5,10,10,5])
    (15, 0)
    """
    def get_diff(l):
        diff = 0
        for no1, no2 in iter_steps(l, steps=2):
            diff += abs(no1 - no2)
        return diff

    data1 = data[2:]
    diff1 = get_diff(data1)

    data2 = data[1:-1]
    diff2 = get_diff(data2)

    return diff1, diff2
def diff_info ( data ) : def get_diff ( l ) : diff = 0 for no1 , no2 in iter_steps ( l , steps = 2 ) : diff += abs ( no1 - no2 ) return diff data1 = data [ 2 : ] diff1 = get_diff ( data1 ) data2 = data [ 1 : - 1 ] diff2 = get_diff ( data2 ) return diff1 , diff2
>>> diff_info([5,5,10,10,5,5,10,10])
    (0, 15)
    >>> diff_info([5,10,10,5,5,10,10,5])
    (15, 0)