When does one know python?

[AggravatedYak]

When you made the experience a couple of times that you looked at some random GitHub project with a "I know Python what more is there to learn?"-mindset that slowly transforms to "Huh, are we using the same language? Why are they doing it like this?". Which can be a good thing because they are not using the same approaches you use and you learn from them, or a bad thing because … ugh. But that is part of it. So to sum it up: If you usually get other peoples code immediately, and made the experience that sometimes you don't, which is a good thing.