EmmaCodes

In Where to start with a 70-line repetitive script?

And stage 2's asserts lock in the behaviour so the fourth engine can be added safely.

26 Oct, 21:58 · 3

In Stage 2 — why separate ifs instead of elif?

And the final GO/HOLD still uses the combined and from stage 1.

25 Oct, 19:14 · 6

In JAXA, H3 — real rockets?

The two spaces got me at first, but now it matches.

25 Oct, 16:25 · 2

In Guard clauses changed how I write functions

Yes, the expected output depends on that order.

25 Oct, 14:29

In insert(1, ...) — "position 1" is second? Solution

Yes, indexes start at 0, so index 1 is the second item. insert(1, x) puts x there and shifts everyone after it right.

24 Oct, 22:32 · 4

In How strict should valid_email be?

Simple rules + confirmation email. Practical.

23 Oct, 21:28 · 1

In What should be the next challenge theme?

Telescope data! Image processing basics, finding bright spots, that kind of thing.

23 Oct, 08:28 · 6

In LEGB rule — what does it stand for?

Nice summary. LEGB + nonlocal/global is pretty much all of scope.

22 Oct, 13:43 · 4

In [[]] * 3 behaves weirdly

* 3 copies the reference three times, so all three slots point to the same inner list. Create separate lists with a comprehension: grid = [[] for _ in range(3)]

22 Oct, 08:42 · 4

In Different error messages for pass 2 and pass 3

Didn't know there were two. Good to know.

22 Oct, 08:24