No, you don’t because there’s no such thing.
```python
print("hello world!")
```
runs exceptionally well. Bullet-proof in all use cases I've needed it.
No. No code is “perfect”.
1. Since when do people write code solely for the purpose of earning a living?
2. Yes. I agree that with complex programs, perfection doesn't exist -- mostly a composition paradox issue though, IMO!
It doesn't always write perfect code on a first pass but nor do you, and it's amazing at understanding any issues it may encounter, even very low level ones. I don't think there's anything I can do that it can't now. There is a learning curve to working well with LLMs, but once you get there you'll be producing high quality code faster than you can imagine.
Part of me wishes they weren't so good. I enjoy(ed?) the process of working through problems and it does mean you might no longer have a perfect mental model of your code. But I do also enjoy being able to build things well and fast.
For simple things, occasionally!
For more complex things, usually not, but I write working code. LLMs will sometimes write working code, sometimes not.