9.82882809638977
timeit.timeit('all(key in dict_obj for key in properties_to_check_for)',
    setup=
    'dict_obj =dict(zip(xrange(100000),xrange(100000)));properties_to_check_for=list(xrange(10000))'
    , number=10000)
12.362821102142334
Check to see if a collection of properties exist inside a dict object in Python