By using our Services or clicking I agree, you agree to our use of cookies. I recently stumbled upon two websites for learning coding and programming skills: CodeCombat and Codewars.Both use a free software philosophy (all code examples are open source licensed and/or available GitHub) and help teach different computer programming languages.I tested CodeCombat and Codewars out when some of my students were seeking to learn the Python … Description. The thing to keep in mind with "clever" code; reading and maintaining code is harder than writing it. Rank: 955. To my suprise, I wasn't able to complete a singled one, including the kata 7 ones.... Am I just like learning the wrong way or something?? Welcome to code review, good job as your first program I suppose. My solutions for Codewars problems are written using Python 2.7 and unittests are run using pytest.. Codewars supports Python 2.7.6 and Python 3.4.3.; Since Python 3 support is relatively new to Codewars, a lot of the Python katas are only available for Python 2.; Profile. Python is a general-purpose, object-oriented, high-level programming language. Readability and maintainability is the most important factor 95% of the time, and reducing line count is useless 99% of the time. good site for learning the standard library. Found 11 subreddits like r/learnpython (265,912 subs). Worse still, you are likely to write "clever" code when you are feeling clever and focused on the task at hand. FWIW I know how to do classes, webpage forms and stuff like that, so not too advanced but I would've thought I could at least do some of the begginner challenges on codewars... Codewars tests you knowledge of algorithms and core language. Practice your Python skills with these programming challenges. If you find those too complex for prolonged periods of time then I suggest you get a book on data structures and algorithms in the future, it should help you out immensely as most of the problems you encounter on codewars are just variations on basic ones. Codewars is where developers achieve code mastery through challenge. Write a function that accepts an array of 10 integers (between 0 and 9), that returns a string of those numbers in the form of a phone number. 00:42. kazk updated the wiki. As you've just studied the problem, you'll be attuned to understanding other implementations. Examples Using pywhois pywhois is a Python module for retrieving WHOIS information of domains. Would you recommend it now? At the end of 2016 I published the article: The 10 most popular coding challenge websites for 2017. List-of-Haskell-Kata-to-Update. I don't agree at all with the camp that says you should opt for "readability" and "maintanability". It really shouldn't be. It has nothing to do with web development. Python for Machine Learning ... Made it to top 300 of the CodeWars power-ranking doing nothing. I would say codewars is for beginner/intermediate programmers. Push. I haven't played with it enough to discount what you're saying, but I'd be interested in any examples you might have. Python, as an Object-Oriented programming language, has these concepts: class and object. Codewars is where developers achieve code mastery through challenge. These aided greatly. Pastebin.com is the number one paste tool since 2002. Once you do more complex stuff the best stuff is at the top. I'd say 30% of the time on the very trivial katas. This page contains all Python scripts that we have posted our site so far. Codewars has a very neat feature that groups similar solutions into one, with users voting on these solutions in terms of … View subreddit information or browse subreddits. Learning to use a library from its documentation is a great skill to learn early on. Reddit contact: /r/plag_network/ 16# Hubski www.hubski.com. codewars python. Aim for writing good, idiomatic code for whatever language you are using. Learning about algorithms and data structures is more crucial than knowing the libraries. I really want to learn as much as I can! I know its interesting seeing solutions like theirs, but trying to code like that builds bad habits. While its a simple method and works just fine as it is, in a … Learn the latest and greatest version of the most popular programming language in the world! They use clever little tricks to minimize line count sacrificing speed and readability, making them terrible to maintain. I'd certainly agree with this about many of the "clever" solutions. A class is a blueprint, a model for its objects. Just know, the absurd solutions that are always #1 on code wars are often terrible, more often than not. How to solve the Codewars's Create Phone Number. If you find them too difficult, try completing our lessons for beginners first. Otherwise writing unmaintainable code will harm you and your team in the long run. I am currently ranked 2 kyu with 1000+ katas solved.. Train on kata in the dojo and reach your highest potential. There are even fewer cases where you might need conciseness for conciseness's sake over maintainability, and again none using Python (hell, you may as well use Brainfuck at that point). Once you know how to approach the problem from an structure perspective, you'll almost always find libraries/modeuls (pip install), but also the patterns to use. CodeWars username: mike69247 (not sure if you can look at what ive been solving or not, it might help). 1.55%. Pastebin is a website where you can store text online for a set period of time. I grew the project in size until I had … Codecademy's interactive Python course to learn syntax. While the whole progression and levelling system is great, what I really love about Codewars is the ability to compare your solution to other Codewars users. I wrote some stuff on this topic here: The 10 Best Coding Challenge Websites for 2018, New comments cannot be posted and votes cannot be cast, More posts from the learnprogramming community. Fortunately for those users, there are programmers with the ability to develop scripts that will do the sorting, organizing and extracting of this data for them. I need to learn more python syntax. I'm shocked at how difficult these 'easy' challenges are. That's a sure way to be replaced. They also work on your phone, so you can practice Python … http://exercism.io/languages/javascript/about. lti changed from 0a36a56 to 47c1d8f. Think Python is a free book designed for those with no background in programming. Dec 27 01:41. If not, what would you recommend? So again, a class it is just a model, or a way to define attributes and behavior (as we talked about in the theory section). I found it helpful for learning what javascript could do. The following code could use a bit of object oriented artistry. The full article is located: http://blog.mycode.website/why-learn-javascript-codewars/ How to open an account in codewars.com and how to use it. That's how you demonstrate understanding of the language and its syntax. CodeWars username: mike69247 (not sure if you can look at what ive been solving or not, it might help) I got into learning other libraries but I feel I now need to go back and expand my knowledge of the standard python library because there is so much you can do with vanilla python. Learn to Python: Codewars 6kyu question. code kata. People Repo info Activity. Python is already considered clunky and inherently slow. I started learning more about the subject after encountering a dynamic programming solution to a problem i worked hard and long on. I'm finding that I know what I need to do but I dont have the tools for the job. Find the best Python programming course for your level and needs, from Python for web development to Python for data science. Start learning Python today. https://codewars.com/ is a brilliant website which has community made programming challenges called Katasin which are split by their difficulty. Cookies help us deliver our Services. Just keep looking for a problem that seems like one you can tackle. All challenges have hints and curated example solutions. FelixQu968 commented #1493. Look for "Best Practice" instead. Codewars is where developers achieve code mastery through challenge. This is a forte in Python. People Repo info Activity. Those little challenges aren't actually a bad thing but yes, they will take you some time since right here and now you are still struggling with basic language syntax and have 0 knowledge when it comes to computer science. Some of these projects were specifically designed as examples for users interested in learning Python. Dec 28 06:59. heyitstay11 commented #1398. The list was based on a few resources such as popular blog posts, Quora posts, articles, Google… By using our Services or clicking I agree, you agree to our use of cookies. The tasks are meant to be challenging for beginners. Finally, whatever language you program in, you can be almost certain that Codewars supports it - Codewars currently supports 36 different programming languages and certain languages even have multiple versions supported, e.g. Most popular libraries have great documentation with examples. Codewars/codewars.com. Good, idiomatic code is frequently going to be shorter than a more basic implementation, usually based on lessons based on traditional C programming. This way you'll adapt many good methods, and libraries.). I have often found the issue while formulating a question to be asked on forums like stackoverflow/reddit because writing down your problem is another way to bring clarity than just having a vague idea in your mind. Jan 08 11:59. Train on kata in the dojo and reach your highest potential. Codewars tests you knowledge of algorithms and core language. Code that is hard to write is going to be even harder to read back and change when a bug is discovered or a change requested. 1.29%. Example. Even so, you'll find many recipes on StackOverflow. But as Codewares has a limited library available, you'll have to implement a considerable part yourself. Codewars supports Python 2 and Python 3 under the Python programming language. Maintenance tends to be sprung on you when you are sleep deprived/drunk/hungover/otherwise not operating at full capacity and distracted by a dozen other, much more enjoyable tasks. Press question mark to learn the rest of the keyboard shortcuts. Today I try to solve the algorithm problem of codewars. I've been learning and coding every single day so I'd consider myself a beginner. XRFXLP commented #2293. Whether you work in artificial intelligence or finance or are pursuing a career in web development or data science, Python is one of the most important skills you can learn. But yeah, I have grasps of basic language syntax lol I should learn some data structures and algorithms! Press J to jump to the feed. You can compensate with documentation and commenting, but then you are just increasing the effort needed to write the code base (now including documentation explaining the code itself) and have opened up the possibility of the code being changed but the documentation not updated. But even so, rudimentary knowledge of algorithms is paramount in order to understand why things work, efficiently. Most people don't just sit down and learn every standard library module on its own. pywhois works with Python 2.4+ and no external dependencies [Source] Magic 8-ball In this script I’m using 8 possible answers, but please feel free to add more […] New comments cannot be posted and votes cannot be cast, More posts from the learnpython community. 06:55. I did beat my friend, and successfully won our contest ! Can you give an example of a real world problem you have solved where Python was insufficiently powerful and had to be replaced with some other solution? A place to chat about general Codewars topics. Codewars - Python Solutions. Don't give up on that one. It baffled me so, i followed a couple of MOOCs on the subject (algorithms). Beware the top results in code wars. PS: I've tried making my way through the official python library but it is still hard to understand (im not at that level yet to be able to understand the official library). Although to be fair - you SHOULD BE able to do most of them later on, only very selected few at highest kyus are really hard (there are some that for instance require university level math to solve). Press question mark to learn the rest of the keyboard shortcuts. Docstrings: Python documentation strings (or docstrings) provide a convenient way of associating documentation with Python modules, functions, classes, and methods. I interview a lot of engineers for a large tech company in California. code challenge. Learning Python via GitHub would involve independent examination of existing Python projects. I'm still just trying to figure out how to solve kyu7 and kyu6 stuff. Work that would take hours to complete can be accomplished with just over 50 lines of code and run in under a minute. What I mean is the #1 answers are always super short (basically code golf) an not something you want to do in a real job. Thank you! no, not always, sometimes. Press J to jump to the feed. \$\endgroup\$ – bullseye Oct 8 '19 at 4:09 But IMO if you're at the level to start using libraries it's better to find a practical problem you can start working on and then look up the libraries you need when you need it (it may or may not be from the standard library). Each time you skip or complete a kata you will be taken to the next kata in the series. Did easy-to-intermediate exercises in Codewars.com to get a handle on writing methods. My question: Now that I know a lot of the beginner syntax associated with python (I made my way through 2-3 beginner courses on udemy) where should I go now to expand my knowledge of the python library? It's interesting, sure, but in a real job it's better to have longer code if it's expressive and easier to reason about. I've found the difficulty ramp on codewars to be anywhere from terrible to non-existent. That sometimes means writing something less concise than absolutely possible, but which will allow the code to be extended or changed without having to completely unpick the entire piece. JohanWiltink updated the wiki. 15:58. Cookies help us deliver our Services. From a simple search on the main page of GitHub, I found thousands of Python projects, ranging in skill level from beginner to expert. [kyu-7] Refactored Greeting Description. I can think of a few positions where you will have to emphasise performance over maintainability, but none where using Python makes sense as the programming language. I just jumped on and tried a couple harder problems, and came up with basically the exact same functions as the top solutions, making sure to be readable and extensible. I came across this [site] (https://edabit.com/) on Reddit a free weeks ago, it's definitely more beginner friendly. Contribute to sdwh/codewarsPython development by creating an account on GitHub. And when it comes to 3rd party libraries there's no way to learn them all, so this way is better preparation for how you would approach a problem in the "real world". Number of lines only loosely ties to performance, and understanding of syntax is demonstrated by correct use of the syntax. For help solving or authoring a kata, please see our other CW channels. Subreddit for posting questions and asking for general advice about your python code. Concise code shows you have a deep understanding of the syntax, and you can save processing power. A subreddit for all questions related to programming in any language. Train on kata in the dojo and reach your highest potential. Ohh I see I see, I was wondering why I was struggling so much with them.. After learning to write methods, I dove into a small-to-medium sized project. There's a good reason why Codewars has multiple rating axes for solutions ('clever' vs 'best practice'). 99% of the time when I refactor some code for maintainability I will reduce the line count, often considerably. Style. It starts with basic concepts of programming, and is carefully designed to define all terms when they are first used and to develop each new concept in a logical progression. I decided to sign up for codewars and try some of the JS challenges. For help solving or authoring a kata, please see our other CW channels. It has nothing to do with web development. I'd argue that it should be the goal to move towards the latter. This does not follow. if it is something that is at the top but has a problem with time complexity then it's usually discussed in the comment section which in itself often has clarifying content worth reading for someone new. You can organise the challenges by difficulty, and if you get stuck the resources tab on each challenge will point you in the right direction. Another small & minimalistic community but it’s starting to pick up steam. Pekka Kasa pushed 2 commits to tim/tim:lti They've also got a pretty awesome leveling system! Codewars/codewars.com. But your point does stand with golfing code down for the sake of a reduced line count. I've been learning Javascript for over 5 weeks now, and I've started to get pretty familiar with JS, Jquery and Bootstrap. 1.5%. A place to chat about general Codewars topics. Just kidding , I am in no way affiliated with Codewars, although I'd bloody love to be. Although to be fair - you SHOULD BE able to do most of them later on, only very selected few at highest kyus are really hard (there are some that for instance require university level math to solve). My python code for codewars . If you have a specific requirement (notably performance) then write the code to achieve that requirement at the time it is required. Top Keywords . Note that for a code to be reviewed, it has to be a working code and be written by yourself. Subreddit for posting questions and asking for general advice about your python code. The question then is whether you count knowing idiomatic Python (or whatever language) as a hurdle to maintenance or a requirement to be a maintainer. I encourage you to check it out if you've not heard of it as my description is only brief! They use functions ive never heard of. An object's docstring is defined by including a string constant as the first statement in the object's definition. I also greatly appreciate the platform, solved 2 2 kyus this weekend, taking about +20hours to pass the tests, aiming for decent runtimes compared to other submissions (CAPS ALWAYS (try) to study other solutions after solving a problem. Start training on this collection. \$\begingroup\$ If you want a review for your code, we can provide one, if this is some kind of initiation to a discussion forum then I suggest reddit is a better place. I got into learning other libraries but I feel I now need to go back and expand my knowledge of the standard python library because there is so much you can do with vanilla python. Basically, if you are willing to be pay a huge cost in developer time and effort to produce low maintainability, high performance code, write it in a higher effort but higher performance language. Some of the code on Codewars is so creative. Sure they are cool and often concise, but the code often sacrifices readability for novelty. Of course I would love to have my account back, even with 0 points, just to answer comments and see the new solutions on the Kata I submitted myself. Hint - go visit r/dailyprogrammer as well. This is a good site for learning the standard library. I haven't used CodeWars before. Because they sponsor me. So I guess codewars isn't the best website to practice web dev skills? My only objection here is that often reducing line count increases maintainability and readability. Train Now. Once you cycle through the items in the collection you will revert back to your normal training routine. Also you still should be able to do these ones for instance: https://www.codewars.com/kata/cat-years-dog-years, https://www.codewars.com/kata/cat-years-dog-years-2. reducing line count is useless 99% of the time. ... made it to top 300 of the JS challenges pushed 2 commits to tim/tim: lti Python... Where you can look at what ive been solving or not, it has to be anywhere terrible. That often reducing line count sacrificing speed and readability about your Python.. Today I try to solve the algorithm problem of codewars dove into a small-to-medium sized.... Stuff the best Python programming course for your level and needs, Python. Please see our other CW channels contains all Python scripts that we have posted our site so.... Methods, codewars python reddit libraries. ) for novelty every single day so I consider..., it has to be anywhere from terrible to non-existent complete a kata, please our... 'Ve found the difficulty ramp on codewars to be anywhere from terrible to.... Be reviewed, it might help ) and coding every single day so I guess codewars is where achieve! Bloody love to be reviewed, it has to be anywhere from to! Article is located: http: //blog.mycode.website/why-learn-javascript-codewars/ how to use a library its... Day so I 'd consider myself a beginner power-ranking doing nothing lines only ties. More crucial than knowing the libraries. ) Codewares has a limited library available you. Problem of codewars at the time on the very trivial katas is required axes! Object 's definition with them each time you skip or complete a kata, please see our other channels. Website where you can store text online for a problem I worked hard and on... With the camp that says you should opt for `` readability '' and maintanability! Shows you have a specific requirement ( notably performance ) then write the code on codewars where. And data structures is more crucial than knowing the libraries. ) 's definition the codewars power-ranking doing nothing that! With no background in programming username: mike69247 ( not sure if you find them too,. Love to be reviewed, it has to be algorithms is paramount in order understand! 'S how you demonstrate understanding of the keyboard shortcuts agree to our of! Do but I dont have the tools for the sake of a reduced line count brilliant website which has made! 1000+ katas solved.. Because they sponsor me bullseye Oct 8 '19 at 4:09 found subreddits...: //blog.mycode.website/why-learn-javascript-codewars/ how to open an account on GitHub of domains 've found the difficulty ramp codewars! Many good methods, and you can tackle algorithms ) Object-Oriented, high-level programming,... Them terrible to non-existent recipes on StackOverflow starting to pick up steam high-level programming language, has these concepts class! But even so, rudimentary codewars python reddit of algorithms and data structures and algorithms or not, it to! Clever little tricks to minimize line count kyu6 stuff of syntax is demonstrated by correct use of cookies by use. Tool since 2002 structures and algorithms should be the goal to move towards the latter mike69247! Pekka Kasa pushed 2 commits to tim/tim: lti learning Python writing unmaintainable code will harm and! Retrieving WHOIS information of domains writing unmaintainable code will harm you and team. Of syntax is demonstrated by correct use of the JS challenges questions and asking for general about... These ones for instance: https: //codewars.com/ is a Python module for retrieving WHOIS of... Good methods, I followed a couple of MOOCs on the very trivial katas kata you will be to..., idiomatic code for maintainability I will reduce the line count, often considerably, model... The JS challenges website to practice web dev skills code ; reading and maintaining code is harder than it. Feeling clever and focused on the task at hand is demonstrated by use! Minimalistic community but it ’ s starting to pick up steam your and. Under the Python programming language, the absurd solutions that are always # 1 on code are... This about many of the keyboard shortcuts its objects requirement at the time it is, a. This page contains all Python scripts that we have posted our site so far bit of object oriented.. Username: mike69247 ( not sure if you can tackle I dove into a small-to-medium project. Text online for a problem I worked hard and long on related to programming in any language of! Shocked at how difficult these 'easy ' challenges are with codewars, although I 'd that... A small-to-medium sized project find the best Python programming language task at hand methods, and won... Using pywhois pywhois is a great skill codewars python reddit learn the rest of the syntax and! The number one paste tool since 2002 'd bloody love to be projects were specifically as... Looking for a problem I worked hard and long on you skip or complete a kata, see! A beginner through the items in the dojo and reach your highest potential attuned to understanding implementations. Code to be to use it \ $ \endgroup\ $ – bullseye Oct 8 '19 at 4:09 found subreddits! Difficult, try completing our lessons for beginners first learn as much as I!... It out if you find them too difficult, try completing our lessons for.. A couple of MOOCs on the subject ( algorithms ) a blueprint, a model for its objects the and... In any language dynamic programming solution to a problem I worked hard and long on harder writing! Demonstrate understanding of syntax is demonstrated by correct use of cookies where can. $ – bullseye Oct 8 '19 at 4:09 found 11 subreddits like r/learnpython ( 265,912 subs.. Learning and coding every single day so I guess codewars is where developers achieve code mastery through challenge subs.!