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Bites of Py Exercises
Blog Code Challenges

Bite	Level	Description & Tags
Bite 91. Matching multiple strings		Catching up after #PyCon2018 ... in this Bite you do … all any string matching
Bite 113. Filter words with non-ascii characters		In this Bite you extract words from a text that … all ascii ord unicode
Bite 192. Some logging practice		This is a simple logging exercise. The logging module is … callable logging
Bite 2. Regex Fun		Learn Python regular expressions by writing the following 3 functions. … findall re regular expressions
Bite 4. Top 10 PyBites tags		In this Bite you will get the top 10 blog … Counter findall regular expressions
Bite 28. Converting date strings to datetimes		In this Bite you are provided with a list of … Counter datetime findall
Bite 23. Find words that are > 95% similar		Given a list of tags of our blog find the … difflib file processing findall itertools SequenceMatcher
Bite 39. Calculate the total duration of a course		In this Bite you read in a text file with … datetime findall numbers timedelta
Bite 173. Set up future notifications		Let's do another datetime processing Bite. Complete add_todo below that … datetime findall f-strings timedelta
Bite 17. Form teams from a group of friends		Write a function called friends_teams that takes a list of … itertools
Bite 21. Query a nested data structure		Given the provided cars dictionary:Get all JeepsGet the first car … data structures dictionary comprehensions list comprehensions sorting
Bite 36. Having fun with args and *kwargs		Write a function called get_profile that takes:a required name,a required … args function arguments kwargs
Bite 38. Using ElementTree to parse XML		In this Bite you will use ElementTree to parse some … movie data xml
Bite 47. Write a new password field validator		You know these Create a new password forms? They do … re string module
Bite 49. Scrape Packt's html with BeautifulSoup		In this Bite you will parse Packt's free learning ebook … beautifulsoup namedtuple requests
Bite 64. Fix a truncating zip function		Bert is in charge of organizing an event and got … itertools zip
Bite 65. Get all valid dictionary words for a draw of letters		This Bite focusses on the use of itertools. To that … itertools Scrabble set
Bite 66. Calculate the running average of a sequence		Write a function that takes a sequence of items and … enumerate mean
Bite 68. Remove punctuation characters from a string		Complete remove_punctuation which receives an input string and strips out … string manipulation string module
Bite 71. Keep state in a class + make its instance callable		In this Bite you write a small class to keep … classes dunder methods
Bite 73. Organize a meeting between timezones (pytz)		Help PyBites community friends find a reasonable common time to … pytz timezones
Bite 74. What day of the week were you born on?		Complete weekday_of_birth_date which takes a date object of a birthday … calendar
Bite 76. The singledispatch countdown challenge		We are stoked and grateful to have Martin have you … decorators functools singledispatch
Bite 78. Find programmers with common languages		Similar as last Bite we do another comparison of sequences … set set operations
Bite 79. Parse a csv file and create a bar chart		We played a bit with the Slack API today and … bar chart community csv requests
Bite 93. Rock-paper-scissors and generator's send		Generators are cool right?! Did you know you can send … coroutines games random
Bite 94. Parse PyCon talk data from YouTube		PyCon2018 was awesome! But you clearly had to choose the … list comprehensions max namedtuple
Intro Bite 06. Strip out vowels and count the number of replacements		In this Bite we'd like you to loop over the … counting regular expressions replace string manipulation Zen of Python
Bite 118. List exercise: return first occurrence indices of duplicated words		In this Bite you are presented with a list of … counting list comprehensions set
Bite 122. Check if two words are anagrams		An anagram is a word or phrase formed by rearranging … anagram string matching
Bite 127. Return the right ordinal suffix for a number		In this Bite you complete a function that takes an … dict modulo numbers string manipulation
Bite 136. Bloodtypes		Check red blood cell compatibility between donor and recipient. For … enum exception handling multi type input
Bite 137. Gourmets' Nightmare		Many gourmets struggle to find the perfect pairing of wines … Counter intersection operator sorting
Bite 140. PyBites First Pandas Bite		This is a Pandas proof-of-concept Bite. We just added the … csv data analysis pandas
Bite 142. Exception Handling: Calculate the Winning Player		Complete the two functions below: calculate_score takes a list of … exception handling namedtuple numbers
Bite 143. Look up a value in 3 dictionaries		In this Bite you are presented with 3 dictionaries. Complete … collections dict
Bite 150. Turn messy CSV into JSON		At the 1 year mark of our platform here is … csv json pandas re string manipulation
Bite 156. Make an index of story characters		You know the index at the end of a book … collections defaultdict enumerate sorting string matching
Bite 160. 15-way Rock Paper Scissors		In this Bite you are going to write a 15-way … csv dict exception handling games
Bite 162. Vertically align output of counters		In this Bite you are tasked with "physically" aligning the … string formatting
Bite 174. String manipulation and metrics		This bite will get you to play around with creating … Counter dataclasses list comprehensions properties string formatting string manipulation translate
Bite 179. Strip comments from Python code		In this Bite you will strip off all comments from … comments regular expressions string parsing
Bite 182. Parse a bunch of quotes from HTML		Let's get some inspiration. Below you find the simplified HTML … dict regular expressions string manipulation string parsing
Bite 188. Get statistics from PyBites test code		Did you know Python has a statistics module?For this Bite … data analysis file processing statistics
Bite 198. Calculate my Mac's longest uptime		Given the following output, calculate the longest uptime / time … data wrangling datetime dateutil string parsing
Bite 200. 🥳 Minecraft Enchantable Items		My kids love Minecraft and they always want me to … beautifulsoup web scraping
Bite 201. Call a Cisco Nexus 9k device		Cisco Nexus 9k devices is one of the first network … networking requests
Bite 203. Type hinting practice		It's time for some type hinting! For this bite, you … classes dataclasses type hinting
Bite 205. Female speakers @ Pycon US		After our Code Challenge 62 / Alicante PyDay last week, … beautifulsoup counting data wrangling gender_guesser
Bite 208. Find the number pairs summing up N		In this Bite you complete find_number_pairs which receives a list … itertools looping numbers
Bite 209. Write a Sphinx docstring		Your team uses Sphinx and wants you to comply with … data types docstring sphinx
Bite 213. Code a translation fixer		Imagine you built PyBites' new translation feature. You managed to … regular expressions
Newbie Bite 20. While loop		The next challenge is to learn all about the while … newbie while
Newbie Bite 25. Calling a function		The last Bite! Let's actually use what we've created by … functions newbie
Bite 225. Swap case PyBites characters		In this Bite you will swap case all pybites characters … looping string manipulation string parsing
Bite 229. Scrape best programming books		For this bite, you are going to scrape the books … beautifulsoup books classes data cleaning data wrangling sorting web scraping
Bite 242. Zodiacal data parsing		In this Bite we will write tests for a module … datetime fixtures pytest
Bite 248. Test a number guessing game		In this Bite you test a simple number guessing game … classes exception handling games mock.patch pytest
Bite 250. PyBites URL Shortener		URL shortening is a technique on the World Wide Web … decode dict encode string manipulation string module type hinting
Bite 251. Introducing Pandas Series		Let's get started with Pandas! In case you are not … pandas series string module
Bite 252. Let's play with Pandas Series		In Bite 251 we looked at creating some simple pandas … numpy pandas series slicing type hinting
Bite 253. More Pandas Series Practice		In Bite 251 and Bite 252 we looked at creating … math pandas series statistics
Bite 255. Codon Usage		The genetic code of all organisms uses a 3 base … bioinformatics collections textwrap
Bite 256. Scrape PyCon events		In this Bite, we want you to scrape PyCon 2019 … beautifulsoup data analysis json namedtuple pycon requests web scraping
Bite 261. Visit all PyCons in Europe		In Bite 256 you scraped data on 2019 PyCons. Now … data analysis dataclasses itertools math
Bite 262. GC content		The DNA of all organsims consists of the letters (bases) … bioinformatics collections
Bite 263. Count the number of islands in a grid		You are tasked with counting the amount of islands in … algorithms looping string
Bite 265. Optimal fund raising		Here is another classic algorithm problem wrapped in a Bite. … algorithms looping math
Bite 266. Composition, Inheritance, Abstract Base Class, what?		It’s not as bad as that sounds, really. If you … ABCs abstractmethod beautifulsoup composition dataclasses inheritance namedtuple string formatting typing urllib web scraping
Bite 269. Taxable Income Calculator		I have no idea what rabbit hole I followed to … classes dataclasses finance namedtuple properties typing
Bite 270. Most frequent digit in number		Given an integer number, find the most frequent digit in … Counter counting numbers
Bite 271. Get all class names from a module		In this Bite you will write a function to get … inspect list comprehensions
Bite 280. Regular Expression Lookahead/Lookbehind		For this bite you are going to solve three different … lookahead lookbehind regular expressions
Bite 288. Smallest number		Write a function that accepts a list of digits and … numbers
Bite 290. Class Rosters Data Conversion		You have been given a comma-delimited .csv file containing class … csv string parsing tuple unpacking
Bite 292. Scoring matrices		Proteins fulfill important functions in all organisms and consist of … bioinformatics enumerate looping numbers zip
Bite 297. Rename keys		The Data Processing Department was writing a script to import … data cleaning dict iteration
Bite 300. 🥳 PTO Calculator		We've all been affected by COVID-19 in one way or … calendar datetime exception handling looping numbers string formatting
Bite 301. Exchange rates		In this Bite you have to provide the currency exchange … datetime dict sorting
Bite 302. Get and write all code from a JSON file		You are given a sample JSON files containing, among other … filecmp file processing json string manipulation

PCC	Title	Summary
02	Word Values Part II - A Simple Game	Using what we've learned the last challenge this week we build a simple Scrabble-like game: given a random set of 7 letters build the most valuable word. Good luck!
03	PyBites Blog Tag Analysis	Our new code challenge is up: PyBites blog tag analysis. This week you will parse our RSS feed looking for the most common tags and the ones we possibly should merge based on similarity ratio. Enjoy!
04	Twitter data analysis Part 1: Getting Data	A new week, a new code challenge! In this 3 part challenge you will analyze Twitter Data. This week we will automate the retrieval of data. In Part 2 we will task you with finding similar tweeters, and for Part 3 you will do a full sentiment analysis.
10	Build a Hangman Game	A new week, a new 'bite' of Python coding! This week we will build a Hangman game. Good luck and have fun.
11	Generators for Fun and Profit	A new week, a new 'bite' of Python coding! After last week's article on generators we will get you to practice a bit more with them in our new challenge. Good luck and have fun.
12	Build a Tic-tac-toe Game	Hi Pythonistas, a new week, a new 'bite' of Python coding! After last week's conceptual challenge (generators), we'd like to challenge you this week to build Tic-tac-toe. Every time we do games (previously Word Values and Hangman) we learn a lot. Enjoy and we review solutions end of this week.
13	Highest Rated Movie Directors	Hi Pythonistas, a new week, a new 'bite' of Python coding! After last week's (tictactoe game), we'd like to sharpen your data analysis skills this week by parsing a movie data set in search for highest rated directors. Enjoy and we review solutions end of this week.
14	Write DRY Code With Decorators	Hi Pythonistas, a new week, a new 'bite' of Python coding! This week we let you practice with decorators, a nice way to abstract away common functionality. It allows you to alter the behavior of a callable without modifying the callable itself. We agree with Dan Bader that 'understanding decorators is a milestone for any serious Python programmer.' Enjoy!
15	Create a Simple Flask App	Hi Pythonistas, a new week, a new 'bite' of Python coding! This week we’re going to get down and dirty with Python Flask. Flask is becoming a hot skill to have up your sleeve. We’re all in with learning it so figure it’s about time we had a challenge on it! Enjoy!
16	Query Your Favorite API	Hi Pythonistas, a new week, a new 'bite' of Python coding! This week we'll let you play with Web APIs. They are fun to fiddle with and great for learning and building cool things. Enjoy!
17	Never Miss a Good Podcast	Hi Pythonistas, a new week, a new 'bite' of Python coding! This week we'll let you import a Podcast feed, store it in SQLite, and email unplayed episodes at a regular interval. Inspiration here. Enjoy!
21	Electricity Cost Calculation App	Hi Pythonistas, a new week, a new 'bite' of Python coding! This week we will get you to create a simple app to calculate the monetary cost of using an electrical device. Enjoy!
23	Challenge Estimated Time API	Hi Pythonistas, a new week, a new 'bite' of Python coding! This week we will give you the opportunity to enhance our challenge platform by creating a simple API to track how much time our challenges take (and possibly other metadata).
25	Notification Service of Now Playing and Upcoming Movies	Hi Pythonistas, a new week, a new 'bite' of Python coding! What movies are in theaters now or just came out on your favorite streaming service? What are upcoming movies, when will they be released? Can I keep track of all new humor movies? Or what about that specific actor or director? Having a notification service around movies seems an interesting, fun and useful code challenge to us.
26	Create a Simple Python GUI	Hi Pythonistas, a new week, a new 'bite' of Python coding! Web apps tend to get all the love so it’s about time we shared the spotlight with GUIs. This week let’s take our first dive as a PyBites Community into Python GUIs!
27	PRAW: The Python Reddit API Wrapper	Hi Pythonistas, a new week, a new 'bite' of Python coding! Love or hate Reddit, it has a lot of good data to work with. This week we have you write an app of your choice using the Reddit API. Have fun!
28	Integrate a Bokeh Chart Into Flask	Hi Pythonistas, a new week, a new 'bite' of Python coding! We are delighted to have Michael Herman (Real Python) deliver this week's challenge. Prepare to learn some useful new skills and above all have fun!
29	Create a Simple Django App	Hi Pythonistas, a new week, a new 'bite' of Python coding! We are 2 weeks into learning Django (our second 100 Days project) so we thought it's about time to dedicate a code challenge to it. So this week is all about coding (and deploying) a Django app. Have fun!
30	The Art of Refactoring: Improve Your Code	Hi Pythonistas, a new week, a new 'bite' of Python coding. Wow challenge 30 already! This week we let you hone your refactoring skills. Learn, code, PR submit (don't be shy) and above all have fun!
36	Create an AWS Lambda Function	Hi Pythonistas, a new week, a new 'bite' of Python coding! We are delighted to have Michael Herman (Real Python) back to deliver this week's challenge. Prepare to learn some useful new skills and above all have fun!
40	Daily Python Tip Part 1 - Make a Web App	Hi Pythonistas, you heard of Daily Python Tip? It's a Twitter account that posts one python tip per day, run by @karlafej and @simecek. We partnered up with them and use their awesome collection of tips to build a web app (part 1) and a simple API (part 2).
42	Mastering Regular Expressions	Hi Pythonistas, it's beginning of the month so we're busy selecting some cool code challenges for you to work on to hone your Python skills. Regular Expressions was a long time coming so let's get it out there. We hope we hit a decent intermediate level with this challenge. If you have questions ask us in the comments or join our Slack.
44	Marvel Data Analysis (Alicante PyChallengeDay)	Hi Pythonistas, this is a very special edition! Today, the 10th of November, we launch our first Live Code Challenge. We partnered up with Python Alicante and we will be hosting this code challenge with them at the University of Alicante. If you don't happen to live in Alicante but do want to code today 10am-13pm CET you are more than welcome to join this Gitter channel.
48	Create a Python News Digest Tool	Hi Pythonistas, welcome to a new year of challenges. Are you as amazed as we are by all the awesome Python stuff that comes out every week? But then you feel you always are behind because you lack the time to keep up? Welcome to daily reality. In this challenge we have you contribute to our community with tools to improve our weekly delivery of Python News. Be creative, have fun!
49	Contribute to Open Source: Clean up Planet Python	Hi Pythonistas, it has been silent on the Community Blog challenges front, but then again we completed the 100 Days of Code in Python course which was a great milestone. Although less frequent, we will however, keep doing blog challenges so not to worry! Let's start with a long pending item: cleaning up Python planets feeds, an interesting and valuable open source contribution.
52	Create your own Pomodoro Timer	Hi Pythonistas, Welcome to Pybites Code Challenge 52! In this challenge we get you create your very own Pomodoro Timer!
53	Query the Spotify API	Hi Pythonistas, Welcome to Pybites Code Challenge 53! In this challenge we get you query the Spotify API and perform a set of tasks.
54	Python Clipboard History	Hi Pythonistas, Welcome to Pybites Code Challenge 54! In this challenge we're asking that you create your own Clipboard History tool!
55	#100DaysOfCode Curriculum Generator	Hi Pythonistas, Welcome to Pybites Code Challenge 55! In this challenge we're asking that you create your own #100DaysOfCode Curriculum Generator.
56	Calculate the Duration of a Directory of Audio Files	Hi Pythonistas, Welcome to Pybites Code Challenge 56! In this challenge we're asking you to work with directory, files and audio meta data!
57	Analyze Olympic Games Data With Pandas	Hey Pythonistas, a new week, a new Python code challenge! This week you can use Python, Pandas and all the libraries you need to analyze the data of Olympic Games and find out interesting things and present them to everyone with Matpolib, Seaborn and/or Plotly.
58	Analyze Podcast Transcripts with NLTK - Part I	Hi Pythonistas, Welcome to Pybites Code Challenge 58! In this two part challenge we're going to do some natural language processing on podcast transcript data. Prepare to have fun expanding your data science skills!
60	Working With PDF Files in Python	Hey Pythonistas, in this challenge you will learn how to work with PDF documents. Enjoy!
61	Build a URL Shortener	Hey Pythonistas, in this challenge you will build an URL shortener. Enjoy!
62	Women @ Pycon ES	Hey Pythonistas, in this special live Alicante PyDay challenge you will analyze Pycon speaker data, do we see more women going on stage? Enjoy!
63	Automatically Generate Blog Featured Images	Hey Pythonistas, in this new blog code challenge you are going to use selenium to automatically generate some cool featured images for PyBites. Have fun!
64	PyCon ES 2019 Marvel Challenge	Hey Pythonistas, this weekend is Pycon ES and in the unlikely event you get bored, you can always do some coding with PyBites. Two more good reasons to do so: 1. there are prizes / give aways, 2. your PRs count towards Hacktoberfest (t-shirt). Fire up your editors and let's get coding!

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