pybites/challenges

PyBites Code Challenges

PyBites Blog Code Challenges

The best way to learn to code is by doing it. PyBites Code Challenges == accelerated learning, but also fun and collaboration endorsing.

Welcome to the PyBites Blog Challenges page. (Please note, these are not the same as our Bites of Py Exercises)

These are free form, open ended, mini coding projects designed to take anywhere from a day to a week, created for our wonderful PyBites Community.

Q&A

How do I get started?

Head over to our platform, click on one and follow the instructions.

Where can I see other people's code submissions?

Browse (or checkout) our community branch - all PRs get merged into that branch.

How do I join your Slack Community?

Use this link - and use our #codechallenges channel for coding questions.

Can I help you out with code reviewing?

We are still getting a pretty manageable number of PRs to be able to merge them all in ourselves, but we do want to give each PR a bit more of a code review. As we're pretty busy we want to turn this into a community effort. So if you want to help out merging PRs into our challenges branch, become a moderator (and mentor!), you can volunteer on Slack.

Is this a place where we gonna be cool... just like Fonzie?

Ah you mean something like a Code of conduct? We wrote this when we started 2 years ago and it still holds true: "Remember, we don't strive for the 'best' solution, it's not a competition! Learning more + better Python is the main objective. Respect the newbie. There is no right or wrong answer. Do as much or as little as you want. Just have fun!"

I don't see the tests?

Remember our blog code challenges are mostly open-ended and for you to work locally using Git, then submit (PR) your code back to the repo's community branch. Do you like a more test-driven approach where you run your code against a set of pytests in the comfort of your browser? In that case we highly recommend that you try out our growing collection (173 at the time of writing) of Bites of Py Exercises ...

We believe solving code challenges is a very effective way to achieve Python mastery. Code more Python, share your journey on Slack, good luck and have fun!

Keep Calm and Code in Python! 
- Julian and Bob

challenges's Issues

pytest challenge

Provide code or take an existing project and write pytests.

Bonus: use mocking or other advanced features of the pytest module.

Challenge 04: techmoneykids is no longer a valid twitter handle

The challenge no longer will work with techmoneykids because it is not a valid twitter handle.

Easy to work around, but could be a shock to those who haven't seen the error before.

Python and OpenCV challenge

Face detection from a Image.

Automating the Process of Scraping all Hackerrank Solutions.

1. Scrape all Hackerrank Solutions for your username.
2. Organizing them in a directory structure as well as initializing a git repository.
3. Make automated additions to personalized Github Repository for hackerrank solutions everytime the program is run, or if possible every time a successful solution is submitted on hackerrank.

maybe we can leverage Hackerrank API, Github API or Web Scraping.

Plagarism checker (NLTK part 2?)

1. Converting word documents to pdf format.
2. Merging of multiple pdfs to a single pdf.
3. Plagarism checker
4. Adding a word doc, excel file or any other file into a folder and convert it into zip folder.
5. Extracting data out of pdf file. ( There was a talk in PyCon India 2017 related to this).
6. Extract data from applications. Integrate with google docs. Visualize the data.

Some good use cases needed though.
Automation of daily tasks would be fun I guess.

concurrent.futures / threading challenge

I just started learning how to use concurrent.futures and found it very nice to work with compared to threading (which feels more like pthreads). Even with the GIL, threading is an interesting way to parcel out work.

Automated document generation

I doubt about number of us interested in this one.
But Python has things for automated doc generation

reStructured Text ReST
Spinx
Maybe we can add this as a extension to a challenge where we ended up building an API.

For Reference
https://wiki.python.org/moin/DocumentationTools

Play with Data using Python.....

For Reference - https://databasic.io/en/

Use openpyxl to automate Excel

See https://pybit.es/python-openpyxl.html

Log parsing challenge

These make for some regex and timestamp conversion skills!

Potentially could get data from Kaggle

Let's Do good with Data !

Take any available open public dataset.
And draw insights out of it.

Public Data Example:

1. List of primary schools data, something related to education
2. Election data etc..

Cleaning, processing, cool data visualizations

code for refactoring

any chance you'd be able to submit some code that needs to be refactored that does not have any tests? i have plenty of code that needs to be refactored but i'd rather review some else's code for this challenge

NBA data analysis challenge

https://twitter.com/botherchou/status/907215676527579137

Ansible!!!

Don't know if it's directly related to Python or not.
But have heard that lot of Python folks use Ansible for automation....

If this fits in. Something on this would be fun to learn and explore.

News aggregator challenge

Hi guys, I'd like to see a challenge about a news aggregator. Perhaps using an API such as newsapi. Would be perfect with Flask, but since we're trying to learn Django, perhaps with that framework instead.

Microservice using Flask

Any good use case to write a microservice using flask !

make a pybites url shortener?

https://impythonist.wordpress.com/2015/10/31/building-your-own-url-shortening-service-with-python-and-flask/

Build a simple game with Pygame or Kivy

definitely want to experiment with this

Build a simple API with Django Rest Framework

Definitely a cool framework to play with + relevant for our 100 days of Django - http://www.django-rest-framework.org

challenge around refactoring code

• recent article on this topic

• community members reviewing each other's code (wow)

• important developer skill

• could make it a requirement to add tests before refactoring :)

Raspberry Pi or Arduino Challenge

1. Home Automation in parts .
   Inspiration - https://home-assistant.io/
2. Anything else that can be achieved using any of the boards available.

More input needed.

Another challenge: build a modern CI/CD pipeline

Stumbled upon this cool article with clear steps:
https://medium.com/bettercode/how-to-build-a-modern-ci-cd-pipeline-5faa01891a5b

I think it would be cool to build such a pipeline as a challenge. Folks get to write a simple app, tests, integrate with travis, bettercode, docker and heroku. Definitely good skills to have these days.

Your movie site in just one minute

I think we can make a good challenge out of this one:
https://bobbelderbos.com/2016/02/movie-site-in-minute-omdb-api-python/

Interview Questions!

How about a challenge based on known interview questions? Having to work through like five of them might be a good exercise! Might also be classified under algorithms...

Automated web testing with Selenium

Flask and Django authors using Selenium for func test, and so should we == challenge :)

https://blog.miguelgrinberg.com/post/using-headless-chrome-with-selenium

http://www.obeythetestinggoat.com/book/chapter_01.html#_obey_the_testing_goat_do_nothing_until_you_have_a_test

Functional programming

Was reading https://medium.com/@hannelita/learning-functional-programming-1acd3f86212c - challenge around exploring func programming in Python (there is even a Packt book on the subject)

Regex challenge part 2

Could deliver unittests of matches and ask the dev to write regexes to pass the tests

Create a cookiecutter template challenge.

The challenge would be to create your own cookiecutter template for creating a file or "project" files that you always create when starting a new project in order to cut down on boilerplate code.

Make a FB Messenger chatbot with PyMessager

"PyMessager is a Python API for Facebook Messenger and a sample project to demonstrate how to develop a chatbot on Facebook Messenger." - would love to try this

Python Queues solutions

Build a chalenge on the light of this Medium Post - with producing and consuming from Queues.
Could be fun taking the example of Twitter streaming API and RabbitMQ like the post mentions.

Asyncio challenge

After hearing this asynchronous, single threaded buzz words, it is the hour now to implement one on our own.
It would be a lot of fun to have a challenge with asyncio, implementing something similar to this Loupe - Philip Roberts.

Use Spotify API for a challenge.

Create a challenge that uses the Spotify API in some way, shape or form.

Potentially use it to share your favourite playlist? Wrap a flask app around it to print it nicely in a table or something?

https://developer.spotify.com/web-api/

Uno card game

Saw this game today, seems a nice + challenging one to code:
https://en.wikipedia.org/wiki/Uno_(card_game)

Challange 04 test fails due to non-static data

At this moment the required text for the last tweet appears instead already at item 97.
A solution is to mock the tweepy.API and inject static tweets. Will also dramatically decrease the test time (3s > 0.01s).

GH exercises repos

There are some good ones we might be able to use, e.g. https://github.com/srigalibe/pynotes/tree/master/Exercises

It would be great to have some challenges with PRAW API.

Create an Alexa Skill!

No Github activity from forked repos

While forking the repo and cloning from everyones own repository is easy it makes it so that when you work on a solution you dont get credit for github activity since it is in a forked repo. See https://help.github.com/articles/why-are-my-contributions-not-showing-up-on-my-profile/

What I did when I realized I wasnt getting credit for the activity is delete the fork on github, create a new repo on github, pushed it up to my and then set the upstream to the original repo so I could still pull updates. It is definitely not as easy but if people are using these challenges to acomplish things like 100 days of code they may want to see their progress show up on their activity board.

01 unit tests fails when using generators (Python3)

I'm pretty sure I have the right answer, but my functions return generators, not list/tuples. You should probably coerce an iterator in the test or else give instructions about what you expect in the tests in the README.

Dockerise Application

Try dockerising an existing Python Application.

Using python to implement standard UNIX command line tools like cp, cat, ls etc

Your own terminal in Python

A challenge around mocking external APIs (GH, Slack, Twitter)

Stumbled upon RealPython's:
https://realpython.com/blog/python/testing-third-party-apis-with-mocks/
and part II:
https://realpython.com/blog/python/testing-third-party-apis-with-mock-servers/

=> would be nice to practice this on Slack, GH, Twitter API which we have used more than once in our projects (trying to mock slack atm).

Data analysis of GH code using Google Big Query

When we get to our 100 Days of Data - examples in this article: https://medium.com/google-cloud/github-on-bigquery-analyze-all-the-code-b3576fd2b150

Make a beautiful dataviz as seen on twitter

Example: https://mobile.twitter.com/DataIsBeautiful/status/896340928130109440

Hashtag #dataviz

https://mobile.twitter.com/hashtag/dataviz?src=hashtag_click

Create a simple app with wxPython.

Take a small script and slap a GUI on it.

Scrapy module

https://www.codementor.io/ayushgupta/building-an-image-crawler-using-python-and-scrapy-aatchcqtr

docs correction to code challenge 02

Hi Folk

I'm not sure if you have a repo for taking pull requests on your pybit.es site docs, but I noticed an issue with this challenge - https://pybit.es/codechallenge02.html

Use one of the templates:
$ cd 02
$ cp game-TEMPLATE.py game.py

There is no game-TEMPLATE.py file in the repo. I think you mean game-help.py or game-nohelp.py.

If you have a repo somewhere for this I can make the updates and submit the PR.

Cheers!

GraphQL challenge

https://info.jetbrains.com/PyCharm-Webinar-October2017-TY.html

AWS Lambda Challenge

Write an AWS Lamda function that calls https://github.com/realpython/web-dev-for-data-scientists/blob/master/exercises/flask-bitcoin/data.py every hour and updates the chart in https://pybit.es/codechallenge28.html.

Peer Code Review

1. Try reading and understanding someone else's code.
2. Mention about the goods.
3. Suggest if you have a more pythonic way of doing the same.
4. Discuss feature extension if one has any idea.