human
Complete this python program:
def CombinePlaces(places, time_resolution):
assistant
#Here is the Python code you requested.

    """Try to combine consecutive viewpoints into a meta-viewpoints by
    locality, state, and then country. Combination can only occur if the
    time delta between the viewpoints is <= time_resolution. Returns two
    lists: one for locality and one for country.
    """
    sorted_places = sorted([{'locality': GetPlace(p['placemark']), 'timestamp': p['timestamp'], 'opacity': 1.0, 'num_combined': 1, 'total_count': p['total_count']} for p in places], key=itemgetter('timestamp'))
    place_list = []
    def _GetAvgTimestamp(p):
        return (p['timestamp'] / p['num_combined'])
    def _MaybeCombinePlace(p):
        if place_list:
            last_place = place_list[(-1)]
            if ((p['locality'] == last_place['locality']) and (abs((p['timestamp'] - _GetAvgTimestamp(last_place))) < time_resolution)):
                for attr in ['timestamp', 'total_count', 'num_combined']:
                    last_place[attr] += p[attr]
                return
        place_list.append(p)
    for p in sorted_places:
        _MaybeCombinePlace(p)
    for p in place_list:
        p['timestamp'] = _GetAvgTimestamp(p)
    return place_list