```bash
$ python -m timeit "data={'ok': 1, 1: 2, 3: 4};data.get('ok')"
1000000 loops, best of 3: 0.264 usec per loop

$ python -m timeit "data={'ok': 1, 1: 2, 3: 4};data['ok']"
10000000 loops, best of 3: 0.192 usec per loop
```