def __getitem__(self, key):
        try:
            list_ = dict.__getitem__(self, key)
        except KeyError:
            raise MultiValueDictKeyError, "Key %r not found in %r" % (key, self)
        try:
            return list_[-1]
        except IndexError:
            return []
Simulate a counting system from an n-dimensional list.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/utils/datastructures.py/MultiValueDict.__getitem__--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/lincr