def DifferenceLists(entries):
    """
    Find difference of one list with another.
    Useful for existing lists or complex searches.

    Inputs:
        entries (list) : list of two lists to
            difference [[...],[...]]
    Outputs:
        diff (list) : difference of all entry lists
    """
    if len(entries) > 2:
        raise ValueError('Symmetric difference only works on two lists')
    entryset = set(entries[0])
    diff = list(entryset.symmetric_difference(entries[1]))
    # Re-sort if necessary
    diff = sorted(diff)
    return diff