(x, y, matched_a, matched_b, attributes_dict_a, attributes_dict_b)
return True
:param x:                   The first element of a possible match.
    :param y:                   The second element of a possible match.
    :param matched_a:           The current matches for the first set.
    :param matched_b:           The current matches for the second set.
    :param attributes_dict_a:   The attributes for each element in the first set.
    :param attributes_dict_b:   The attributes for each element in the second set.
    :returns:                   True/False
:param x:                   The first element of a possible match.
    :param y:                   The second element of a possible match.
    :param matched_a:           The current matches for the first set.
    :param matched_b:           The current matches for the second set.
    :param attributes_dict_a:   The attributes for each element in the first set.
    :param attributes_dict_b:   The attributes for each element in the second set.
    :returns:                   True/False
: param x : The first element of a possible match . : param y : The second element of a possible match . : param matched_a : The current matches for the first set . : param matched_b : The current matches for the second set . : param attributes_dict_a : The attributes for each element in the first set . : param attributes_dict_b : The attributes for each element in the second set . : returns : True / False
def _is_better_match(x, y, matched_a, matched_b, attributes_dict_a, attributes_dict_b):
    """
    :param x:                   The first element of a possible match.
    :param y:                   The second element of a possible match.
    :param matched_a:           The current matches for the first set.
    :param matched_b:           The current matches for the second set.
    :param attributes_dict_a:   The attributes for each element in the first set.
    :param attributes_dict_b:   The attributes for each element in the second set.
    :returns:                   True/False
    """
    attributes_x = attributes_dict_a[x]
    attributes_y = attributes_dict_b[y]
    if x in matched_a:
        attributes_match = attributes_dict_b[matched_a[x]]
        if _euclidean_dist(attributes_x, attributes_y) >= _euclidean_dist(attributes_x, attributes_match):
            return False
    if y in matched_b:
        attributes_match = attributes_dict_a[matched_b[y]]
        if _euclidean_dist(attributes_x, attributes_y) >= _euclidean_dist(attributes_y, attributes_match):
            return False
    return True
def _is_better_match ( x , y , matched_a , matched_b , attributes_dict_a , attributes_dict_b ) : attributes_x = attributes_dict_a [ x ] attributes_y = attributes_dict_b [ y ] if x in matched_a : attributes_match = attributes_dict_b [ matched_a [ x ] ] if _euclidean_dist ( attributes_x , attributes_y ) >= _euclidean_dist ( attributes_x , attributes_match ) : return False if y in matched_b : attributes_match = attributes_dict_a [ matched_b [ y ] ] if _euclidean_dist ( attributes_x , attributes_y ) >= _euclidean_dist ( attributes_y , attributes_match ) : return False return True