def mean(self):
        return float(sum(self))/len(self)
Retrieves the application indexes and their states.
dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/LineScan.py/LineScan.mean--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/get_indexes