ElaKowalska

In What should be the next challenge theme?

Space station life support: oxygen, water recycling, alarms. Good for simulations and classes.

22 Oct, 21:37 · 2

In Why does print need brackets? Old tutorial doesn't use them

Ugh, it was a gift. Guess I'll use it for the explanations only.

22 Oct, 13:01

In Real use for modulo besides even/odd?

Also checking divisibility, like whether a year might be a leap year: year % 4 == 0 (plus the 100/400 rules).

15 Oct, 22:23

In KeyError when reading a key that may not exist

Perfect, thanks.

15 Oct, 14:44

In The evening record contains the morning reading?!

This is the one I always mention when people say Python has no gotchas 😄

8 Oct, 19:31 · 3

In Best space books for programmers?

Second The Martian. I wrote a little script to check his potato calorie maths after reading it.

7 Oct, 18:53

In Does my prediction need to be correct?

Good to know, I was worried I'd "failed" something.

5 Oct, 21:11

In What are the / and * in function signatures?

Huh, never seen the slash in tutorials.

2 Oct, 21:26

In backup = crew doesn't copy?!

So variables are labels, not boxes. That changes how I think about everything.

1 Oct, 07:16 · 2

In Safely reading deep nested keys

Chain .get() with empty dicts as defaults: name = mission.get("crew", {}).get("commander", {}).get("name", "unknown") Readable for 2–3 levels. Deeper than that, it's worth writing a small helper function or checking the…

28 Sep, 20:38 · 4