1-liner creative solution for Weekly Calendar by Stensen - python coding challenges

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1-liner solution in Creative category for Weekly Calendar by Stensen

weekly_calendar = lambda y, m, d, w: [d.day for d in [week for week in __import__('calendar').Calendar(firstweekday=w).monthdatescalendar(y, m) if __import__('datetime').date(y, m, d) in week].pop()]

Sept. 23, 2020

Comments:

Phil15 on Sept. 23, 2020, 1:49 p.m.
After I deobfuscated it, I would change <pre class='brush: python'>[...].pop()</pre> for <pre class='brush: python'>next(...)</pre> since it has a single element. And since we are in creative section, I would even add it is shorter by 2 chars. Or even shorter <pre class='brush: python'>[...][0]</pre>, but I prefer next. Next deobfuscated version: <pre class='brush: python'>from calendar import Calendar from datetime import date def weekly_calendar(y, m, d, w): return [ d.day for d in next( week for week in Calendar(firstweekday=w).monthdatescalendar(y, m) if date(y, m, d) in week ) ] </pre>

Stensen on Sept. 23, 2020, 11:40 p.m.
Merci pour cet intéressant Review!

Stensen on Sept. 26, 2020, 10:01 p.m.
<a href="https://py.checkio.org/user/Phil15/">Phil15</a> Say Like I want to create a mission how is that possible? and what is the process to do that I heard that there is some to be installed using pip could help get the job done! Please help me If you could?

Phil15 on Sept. 27, 2020, 8:07 a.m.
Hi, there are some blog posts that can be useful, I let you search them? I'm gonna tell you what I do: <ul> <li>You need a GitHub account (well I think other git things are ok but I think everyone use github here). EDIT: And <pre class='brush: python'>git</pre> installed, not like me <a href="https://py.checkio.org/forum/post/12936/issues-while-im-creating-a-mission/">there</a>.</li> <li>I download the code zipped of some existing repository. Eventually one that has common things with the one I will create, about javascript visualization or about tests (which come easier with experience). Feel free to look my "checkio-mission-" repos <a href="https://github.com/Philippe-Cholet?tab=repositories">here</a>. The "checkio" command line blog post talk about can be used too, but I personnaly prefer do things manually.</li> <li>I unzip, clean things I don't want. I create/update initial code, tests and referee, since it is the main fun thing to do. Update <pre class='brush: python'>init.js</pre> if not too difficult, write task descriptions, create images/logos if inspired.</li> <li>The files to consider, with help or not: <ul> <li><pre class='brush: python'>editor\initial_code\python_3</pre> (no py extension for some reason): it defines the code the user will first see (or will see after clicking "reset code"), so an empty function and some asserts.</li> <li><pre class='brush: python'>editor\animation\init.js</pre>: it defines visualization, if you create a simple mission with simple tests, you will only need to write function name. Otherwise, you can be lost quite easily like me there, so feel free to ask help, I must tell kurosawa4434 wrote a lot of my javascripts, I would not have done it myself even now.</li> <li><pre class='brush: python'>verification\referee.py</pre>: it makes the link between tests and the checkio api on the server. I learnt a lot reading similar files. It can contains a checker if your tests are not just about testing equality between user results and test results, it can contains some "cover" which changes data types the user function will see or/and return. Again, ask help if you're lost.</li> <li><pre class='brush: python'>verification\tests.py</pre>: it musts contains tests ^^ in some dict/list structures you will see in similar files.</li> <li>eventually other py files in verification folder that referee and tests can import.</li> <li><pre class='brush: python'>info\task_short_description.html</pre>: Just a very little sentence about the mission, eventually fun.</li> <li><pre class='brush: python'>info\task_description.html</pre>: Task description in html format obviously ^^ I usually update one existing to not write it from scratch. Some <pre class='brush: python'>class</pre> have to be used for some effects, but dont worry too much about it.</li> <li>Any image you want in task description must be in "media" folder, then an example of use: <pre class='brush: python'><img src="{{MEDIA}}basic-example-1.png" alt="8x8 example image" title="8x8 basic example"/></pre>. The server will replace <pre class='brush: python'>{{MEDIA}}</pre> by the path to the online media folder.</li> <li>Logos in <pre class='brush: python'>info\logo</pre> folder, update existing ones, or let other people do it.</li> </ul></li> <li>I use "Github Desktop" (so I do not use git command line directly) to create a repo on my computer usually named "checkio-mission-...", put my files in it, commit them, push them to github.com publicly.</li> <li>Go <a href="https://py.checkio.org/mission/add/">there</a> to add the repository and name the mission.</li> <li>I verify it works as I expect before I publish it to polygon station and create a forum post about it. The first time, you will probably need some help to make it work. There can be annoying details.</li> <li>Before published on an island, you could have to accept english corrections from <a href="https://github.com/KaterinaSand">Katerina Sand</a>.</li> </ul> I know it can be scary (lot to do for a quite simple mission), but we can help when needed. Again, I learnt a lot reading similar files. There are no big documentation about it but enough examples of mission repositories to write pretty much any mission. Obviously, it becomes easier when you wrote multiple missions, with various types of tests. PS: The pip can be used to install the "checkio" command line, I let you read the blog post about it. NB: If too scary by the amount of work but you have a great mission idea, please share it. We will help or do the work for you, as you want. I hope I did not scare you.

Stensen on Sept. 27, 2020, 11:45 a.m.
Ooh That sounds interesting! I am gonna try my best!

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