def METHOD_NAME(l1, l2):
    """
    >>> Quality.SortPolicy._cross_merge_list([1, 2], [3])
    [1, 3, 2]
    >>> Quality.SortPolicy._cross_merge_list([3], [1, 2])
    [3, 1, 2]
    """
    i = 0
    l = []  # noqa: E741
    while i < len(l1) and i < len(l2):
        l.append(l1[i])
        l.append(l2[i])
        i += 1
    if i < len(l1):
        l += l1[i:]  # noqa: E741
    if i < len(l2):
        l += l2[i:]  # noqa: E741
    return l