def dict_sets_to_lists(dict_):
    """change values from sets to sorted lists.

    Here is an example:
    >>> import pprint
    >>> d= {'a': set([1, 2]), 'b': set([1])}
    >>> ld= dict_sets_to_lists(d)
    >>> pprint.pprint(ld)
    {'a': [1, 2], 'b': [1]}
    """
    new = {}
    for k, v in dict_.items():
        new[k] = sorted(list(v))
    return new
