def multi_split(s, seps):
    """ Split string by multiple separators.
        >>> multi_split("a,b;c:d", ",;:")
        ['a', 'b', 'c', 'd']
    """
    if not s or not seps:
        return [s]
    sep = seps[0]
    v = ''.join([ch if ch not in seps else sep for ch in s])
    return v.split(sep)