def test_delete_from_state(self):
        state['list'] = [1, 2, 3]
        self.assertIn('list', state)
        del state['list']
        self.assertNotIn('list', state)
Adds the value to the existing values in the dictionary, if any.
dataset/ETHPy150Open duerrp/pyexperiment/tests/test_state.py/TestBasicState.test_delete_from_state--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/api/datastore.py/_AddOrAppend