def get_lon(city):
    "\n    >>> city = make_city('Berkeley', 0, 1)\n    >>> get_lon(city)\n    1\n    "
    if change_abstraction.changed:
        return city['lon']
    else:
        return city[2]
>>> city = make_city('Berkeley', 0, 1)
>>> get_lon(city)
1
def get_lon(city):
    "\n    >>> city = make_city('Berkeley', 0, 1)\n    >>> get_lon(city)\n    1\n    "
    if change_abstraction.changed:
        return city['lon']
    else:
        return city[2]