def is_subset(a, b):
    """
    a = [1,2], b = [[2,4], [2,1], [3,9,10], ]
    is `a a subset of `b? Yes
    Order of elements in a list DOES NOT matter
    """
    iok = False
    for si in b:
        if set(si) == set(a):
            iok = True
            break
    return iok