Tracing a while loop, redux#
## Consider this snippet of code:
```python
num = 1
while num < 0:
num += 1
```
Trace through the code. How many times is line A executed and how many times is line B executed
1. [x] A: 1, B: 0
2. [ ] A: 2, B: 1
3. [ ] A: 1, B: 1
4. [ ] A: 0, B: 0