StefanPochmann profile - python coding challenges

StefanPochmann

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● 16 ● 38 ● 54 Leader of the month

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Awesome Team Stefan Pochmann http://www.stefan-pochmann.info/

Last seen 2 minutes ago

Member for 9 years, 18 days

Difficulty Normal

Recent solutions I'm happy with (just starting/trying this): [Words Order](https://py.checkio.org/mission/words-order/publications/StefanPochmann/python-3/short-dict-subsequence/share/5bbb2df54ec5a810d36d7f70ae7e92da/) Dang it no markdown here?

April 26, 2024, 3:43 p.m.	+ 1	for Become An Author at CheckiO! An Algorithm Of Creating Missions
April 25, 2024, 10:34 p.m.	+ 1	for Comment dan_rue: Very nice! Thanks for reminding me that map can take more than one iterable.
April 20, 2024, 9:27 p.m.	+ 1	for Comment freeman_lex: The first two case are not valid since > Given two frogs frog1, frog2, that initially stand on **dif...
April 17, 2024, 7:04 p.m.	+ 2	for 1-liner: 59 chars-przemyslaw.daniel
April 15, 2024, 3:28 p.m.	+ 1	for Comment oduvan: Yes, this is a bug. Thank you.
April 8, 2024, 7:39 p.m.	+ 1	for Comment Phil15: I had the same problem 2 or 3 times overall and would have appreciated a way to search comments too.
April 8, 2024, 3:16 p.m.	+ 1	for Task Surjection Strings
April 6, 2024, 6:41 p.m.	+ 1	for Comment oduvan: the issue with awesome users. We will fix that, sorry
April 6, 2024, 1:17 p.m.	+ 1	for Comment freeman_lex: What is "anywhere"?) A new mission is always placed at Polygon station first. Later, after necessary...
April 6, 2024, 11:17 a.m.	+ 3	for really nice-rafal.pawlowski
April 6, 2024, 9:24 a.m.	+ 1	for Comment amandel: Bad use of boolean. If B is a boolean expression, then True if B else False has the same val...
April 6, 2024, 6:37 a.m.	+ 1	for Comment veky: I just meant many places on the Internet where Python basics are introduced. Yes, I know about that ...
April 5, 2024, 9:28 p.m.	+ 1	for Comment veky: Well, the whole of my argument (including `batched`) relied on `zip` being just a nicer way of writi...
April 5, 2024, 6:38 p.m.	+ 3	for Four winds beneath my wings-veky
April 5, 2024, 3:39 p.m.	+ 3	for using bisect-ainem
April 5, 2024, 3:34 p.m.	+ 1	for Comment veky: Yes, but in an althist in which PEP479 is rejected, I would write a generator of all "end - start"s,...
April 5, 2024, 3:24 p.m.	+ 2	for One liner-CDG.Axel
April 5, 2024, 3:05 p.m.	+ 2	for datetime.min-veky
April 5, 2024, 3:02 p.m.	+ 2	for First-brownie57
April 5, 2024, 5:46 a.m.	+ 1	for Comment veky: I think the main reason is the classification. It's too hard for Elementary.
April 4, 2024, 10:39 p.m.	+ 1	for Task Sort Sorted Groups
April 4, 2024, 8:31 p.m.	+ 2	for Inside out-veky
April 4, 2024, 7:49 p.m.	+ 1	for Starred method-Tinus_Trotyl
April 4, 2024, 2:46 p.m.	+ 1	for Convert String Into a Cipher of Dictionaries and Back Using "Dunder" Methods And Attributes
April 3, 2024, 4:22 p.m.	+ 4	for creative slicing-juestr
April 3, 2024, 4:15 p.m.	+ 3	for yield-kurosawa4434
April 3, 2024, 4:14 p.m.	+ 1	for Comment Phil15: Not always. Most code should be self-explanatory. And comments can be less clear or less updated tha...
April 3, 2024, 4:14 p.m.	+ 2	for try return slice except-Phil15
April 2, 2024, 10:18 a.m.	+ 1	for Post How can I receive an an Awesome account for a year
April 2, 2024, 9:41 a.m.	+ 1	for Task Count Consecutive Summers
April 1, 2024, 5:16 a.m.	+ 3	for Formulaic-veky
April 1, 2024, 3:55 a.m.	+ 4	for double updown - no imports-juestr
March 31, 2024, 3:16 p.m.	+ 3	for I like to map it, map it-veky
March 30, 2024, 9:59 p.m.	+ 4	for 3912657840-tommy6073
March 30, 2024, 8:04 p.m.	+ 1	for Comment Olpag: It all depends on the situation The "try_except" will be faster if the border does exist, but will b...
March 30, 2024, 8:04 p.m.	+ 1	for Comment Olpag: > Too slow Are you sure about this? First, it would be nice to read the [my comment above](https://p...
March 30, 2024, 7:45 a.m.	+ 1	for Comment veky: Ok, now I see what you meant, but still, moduli are too small for CRT to actually be needed. It's as...
March 30, 2024, 6:39 a.m.	+ 1	for Comment veky: Well, I meant both. Test cases falsifying lots of solutions aren't hard to find, if you know where t...
March 29, 2024, 9:06 p.m.	+ 1	for Comment veky: Yeah, I should have written it `n > n%6 == 4`then it would be obvious to you 😛
March 29, 2024, 8:23 p.m.	+ 4	for n % 6 == 4-veky
March 29, 2024, 7:04 p.m.	+ 3	for First-mildm
March 29, 2024, 5:44 p.m.	+ 1	for Comment freeman_lex: Yes, that's better, fixed.
March 29, 2024, 5:43 p.m.	+ 1	for Comment freeman_lex: Backticks are actually used for `inline code` in comments only?( @oduvan
March 29, 2024, 5:43 p.m.	+ 1	for Comment freeman_lex: Thanks, made chsnges and run recheck.
March 29, 2024, 2:01 a.m.	+ 1	for Comment veky: Yeah, but I worried that there would be a rush of hundreds of people to answer, and I wanted to be f...
March 29, 2024, 1:58 a.m.	+ 1	for Post Waaat?
March 29, 2024, 12:30 a.m.	+ 1	for Comment amandel: Longest common prefix of the elements of the list.
March 29, 2024, 12:19 a.m.	+ 1	for Convert Collatz Conjecture From String To Number And Back Using Python Pointers
March 28, 2024, 11:55 p.m.	+ 1	for Task Cipher Dict
March 28, 2024, 11:35 p.m.	+ 1	for Comment freeman_lex: I make some changes to the description, please check. Also, @StefanPochmann
March 28, 2024, 7:45 p.m.	+ 1	for Comment freeman_lex: Yes. I add this test.
March 28, 2024, 1:45 p.m.	+ 1	for Comment veky: Yes, sure. Next time I have an old humongous haystack, I know whom to ask for a favor. :-D
March 28, 2024, 9:37 a.m.	+ 1	for Comment freeman_lex: Found 2 incorrect scripts. I deleted those solutions and write a short message to authors that the s...
March 27, 2024, 11:25 p.m.	+ 1	for Task Frogs Collision
March 27, 2024, 10:16 p.m.	+ 1	for Comment juestr: I messed this up by too much bike shedding in my "Second" already, and frankly I don't think this is...
March 27, 2024, 9:51 p.m.	+ 1	for Comment veky: Well, "output parameters" are not new; back in the days when people built their own houses, sewn the...
March 27, 2024, 8:42 p.m.	+ 1	for Comment freeman_lex: I add 10 randomly generated tests with `n` in 30->100 and k in 1->n and run solutions recheck.
March 27, 2024, 5:05 p.m.	+ 3	for First (reposted)-juestr
March 27, 2024, 4:29 p.m.	+ 3	for 1-liner with sympy and itertools-tamagoyaki
March 27, 2024, 2:48 a.m.	+ 1	for Comment veky: Thanks @StefanPochmann (do you ever sleep)?
March 27, 2024, 2:33 a.m.	+ 1	for Comment veky: [This title](https://py.checkio.org/mission/checking-perfect-power/publications/veky/python-3/cloud-...
March 27, 2024, 2:32 a.m.	+ 3	for Cloud number n in ... e ...-veky
March 26, 2024, 11:36 p.m.	+ 3	for (ne-1)**e==n-veky
March 26, 2024, 9:46 p.m.	+ 3	for 3-liner: __doc__-przemyslaw.daniel
March 26, 2024, 2:14 p.m.	+ 1	for Comment veky: Ah yes. I guess it is stupid^TM, but it brings money to CiO. :-/ You can call that whole style `Pyth...
March 26, 2024, 1:42 p.m.	+ 1	for Comment veky: Yeah, I know about that kink of yours. :-p You might like [this](https://py.checkio.org/mission/sequ...
March 26, 2024, 1:26 p.m.	+ 1	for Comment tamagoyaki: surely. I didn't notice that anti-pattern, thank you. It would be fine if it was just a product prob...
March 26, 2024, 2:33 a.m.	+ 1	for Comment Phil15: (It does not magically solve the mission, but I used four functions from itertools.) [spoiler] - get...
March 26, 2024, 1:36 a.m.	+ 1	for Comment tokiojapan55: The logic expresses 'k' as the sum of prime factor combinations and searches in DFS to see if it can...
March 25, 2024, 9:48 p.m.	+ 2	for First-eugene100372
March 25, 2024, 9:47 p.m.	+ 5	for 6-liner: factor-przemyslaw.daniel
March 25, 2024, 6:06 p.m.	+ 1	for Comment tokiojapan55: Thanks for continuing to test. There was a bug, so I fixed it and sheared a third version.
March 25, 2024, 6:06 a.m.	+ 1	for Task Sequence Analyzer
March 25, 2024, 6:05 a.m.	+ 1	for Task Colorful Disks
March 25, 2024, 12:32 a.m.	+ 1	for Comment tamagoyaki: Thank you Stefan! I've fixed that code. def postfix_evaluate(items: list[Union[int, str]]) -> int: w...
March 24, 2024, 8:12 p.m.	+ 3	for 5-liner: easy and finally correct - thanks to Stefan-przemyslaw.daniel
March 23, 2024, 8:35 p.m.	+ 1	for Comment Kolia951: I'm sorry, is that a "Clear" solution? =) Looks like I need to read PEP-8 once again...
March 22, 2024, 2:51 p.m.	+ 1	for Comment veky: Someone's got a new toy... and it's a hammer :-D
March 21, 2024, 4:47 p.m.	+ 1	for Comment veky: Hahaha, this one's good! Shows that match can not only unpack, but also pack things :) BTW in Coq it...
March 20, 2024, 9:19 p.m.	+ 1	for Comment juestr: Nice stack/slist. Any special reason you chose (tail, head) in the opposite order than customary?
March 19, 2024, 3:25 a.m.	+ 3	for match operator-juestr
March 19, 2024, 2:51 a.m.	+ 4	for packed with fun-veky
March 9, 2024, 5:40 a.m.	+ 1	for Python 3.12 At CheckiO! Try It While Solving New and Time-proven Missions
March 7, 2024, 8:20 p.m.	+ 1	for Comment veky: And we _still_ can't use pathlib. Exactly 10 years have passed since the release of Py3.4, where it ...
Feb. 24, 2024, 3:56 a.m.	+ 1	for Comment freeman_lex: Thanks. Add a few tests and recheck all solutions.
Sept. 28, 2023, 6:52 p.m.	+ 1	for Use Python Hidden Features, Heaps & Functools to Explore 2D Infinite Array
Aug. 1, 2023, 2:31 p.m.	+ 1	for Comment cerankas: Brilliant, creative and educative! Made me learn how assignment to extended slices works :)
June 30, 2023, 4:55 p.m.	+ 1	for Comment freeman_lex: The missions in this series are blocked by previous - you cann't solve the next one without solving ...
June 23, 2023, 4:38 a.m.	+ 3	for Using +-veky
May 9, 2023, 9:25 p.m.	+ 1	for Comment veky: I think you'll soon be eligible for a badge "used half of functions from itertools _in a single prog...
May 9, 2023, 3:25 p.m.	+ 5	for Pochmannia!-veky
May 9, 2023, 3:22 a.m.	+ 1	for Comment veky: I also have the [lookup version](https://py.checkio.org/mission/rolling/publications/veky/python-3/a...
May 8, 2023, 9:32 p.m.	+ 5	for Cycle (de)composition-veky
May 8, 2023, 5:57 p.m.	+ 1	for Task Rolling 🎲!
April 30, 2023, 9:24 a.m.	+ 3	for and next-veky
April 11, 2023, 4:17 a.m.	+ 3	for 60° wedge optimized-juestr
April 7, 2023, 9:23 p.m.	+ 1	for Python 3.11 is here, blogger PyPI and Missions about Schedule and Working Time
March 30, 2023, 10:54 a.m.	+ 1	for Comment veky: Hm, yeah, on the Net they are mostly right. I remember reading some books about it when I was a chil...
March 28, 2023, 11:59 p.m.	+ 1	for 11-liner: simple-przemyslaw.daniel
March 25, 2023, 8:30 p.m.	+ 3	for sympy can handle permutations-Phil15

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