PyBites Platform | Real World Python Exercises

Bites of Py Catalogue

Bite	Level	Tags
Bite 1. Sum n numbers		None default args freebie range sum
Bite 2. Regex Fun		findall freebie re regular expressions
Bite 3. Word Values		Scrabble freebie max sum
Bite 4. Top 10 PyBites tags		Counter xml
Bite 5. Parse a list of names		freebie lambda list comprehensions min sorting
Bite 6. PyBites Die Hard		Counter file processing generators namedtuple
Bite 7. Parsing dates from logs		datetime file processing
Bite 8. Rotate string characters		deque slicing
Bite 9. Palindromes		algorithms list comprehensions max reverse
Bite 10. Practice exceptions		exception handling raise
Bite 11. Enrich a class with dunder methods		dunder methods functools properties
Bite 12. Write a user validation function		classes exception handling namedtuple
Bite 13. Convert dict to namedtuple/json		dict json namedtuple
Bite 14. Generate a table of n sequences		generators zip
Bite 15. Enumerate 2 sequences		enumerate string formatting
Bite 16. PyBites date generator		datetime generators
Bite 17. Form teams from a group of friends		itertools
Bite 18. Find the most common word		Counter data analysis list comprehensions
Bite 19. Write a property		datetime properties
Bite 20. Write a context manager		context managers dunder methods operator overloading with statement
Bite 21. Query a nested data structure		data structures dictionary comprehensions list comprehensions sorting
Bite 22. Write a decorator with argument		decorators
Bite 23. Find words that are > 95% similar		SequenceMatcher difflib file processing findall itertools
Bite 24. ABC's and class inheritance		ABCs abstractmethod classes inheritance
Bite 25. No promo twice, keep state in a class		classes exception handling properties
Bite 26. Dictionary comprehensions are awesome		dictionary comprehensions
Bite 27. Parse omdb movie json data		APIs glob json movie data
Bite 28. Converting date strings to datetimes		Counter datetime findall
Bite 29. Martin's IQ test		enumerate string module
Bite 30. Movie data analysis		data analysis defaultdict freebie mean movie data namedtuple sorting
Bite 31. Matrix multiplication / @ operator		__matmul__dunder methods operator overloading
Bite 32. Don't let mutability fool you		deepcopy mutability
Bite 33. Transpose a data structure		dict zip
Bite 34. Building a Karma app - implement the User class		classes dunder methods namedtuple operator overloading properties
Bite 35. Having fun with heapq		datetime heapq
Bite 36. Having fun with args and *kwargs		args function arguments kwargs
Bite 37. Rewrite a for loop using recursion		recursion reverse
Bite 38. Using ElementTree to parse XML		movie data xml
Bite 39. Calculate the total duration of a course		datetime findall numbers timedelta
Bite 40. Write a binary search algorithm		algorithms binary search
Bite 41. Write a login_required decorator		decorators functools
Bite 42. Number Guessing Game Class		classes games random
Bite 43. Force keyword arguments		function arguments kwargs
Bite 44. License key generator		list comprehensions secrets string module
Bite 45. Keep a queue of last n items		deque
Bite 46. You are a programmer! Code Fizz Buzz		fizzbuzz
Bite 47. Write a new password field validator		re string module
Bite 48. Make a bar chart of new Safari books		bar chart data analysis
Bite 49. Scrape Packt's html with BeautifulSoup		beautifulsoup namedtuple requests
Bite 50. Make a little PyBites search engine (feedparser)		any feedparser list comprehensions namedtuple search
Bite 51. When does Python 2 die on Planet Miller?		datetime
Bite 52. Create a movie quote API with Flask		APIs Flask movie data
Bite 53. Convert text into multiple columns		string manipulation
Bite 54. Nicer formatting of a poem or text		string manipulation textwrap
Bite 55. Get the latest game releases from Steam's RSS feed		feedparser namedtuple
Bite 56. Add a command line interface to our BMI calculator		argparse
Bite 57. Create a simple calculator that receives command line arguments		argparse functools reduce
Bite 58. Using argparse to interface with a grocery cart		argparse
Bite 59. Create a multiplication table class of variable length		classes dunder methods exception handling numbers
Bite 60. Create a deck of Uno cards		list comprehensions list namedtuple
Bite 61. Create a variable size Paw Patrol card deck with random actions		itertools namedtuple random string module
Bite 62. Data structures matter - speed up your Python code		data structures performance
Bite 63. Use an infinite iterator to simulate a traffic light		iterators itertools namedtuple
Bite 64. Fix a truncating zip function		itertools zip
Bite 65. Get all valid dictionary words for a draw of letters		Scrabble itertools set
Bite 66. Calculate the running average of a sequence		enumerate itertools mean
Bite 67. Working with datetimes		datetime timedelta
Bite 68. Remove punctuation characters from a string		string manipulation string module
Bite 69. Regex Fun - part II		re regular expressions
Bite 70. Create your own iterator		iterators random
Bite 71. Keep state in a class + make its instance callable		classes dunder methods
Bite 72. Retrieve the right Ninja Belt based on score		OrderedDict itertools
Bite 73. Organize a meeting between timezones (pytz)		pytz timezones
Bite 74. What day of the week were you born on?		calendar
Bite 75. Parse Unix cal to a weekday mapping		Unix re zip
Bite 76. The singledispatch countdown challenge		decorators functools singledispatch
Bite 77. New places to travel to		set operations set
Bite 78. Find programmers with common languages		set operations set
Bite 79. Parse a csv file and create a bar chart		bar chart community csv requests
Bite 80. Check equality of two lists		enum equality list
Bite 81. Filter and order tweets by polarity values		TextBlob Twitter namedtuple
Bite 82. Define a Score Enum and customize it adding methods		__str__classmethod enum
Bite 83. At what time does PyBites live?		pytz timezones
Bite 84. Flatten lists recursively (Droste Bite)		list recursion
Bite 85. Write a score property		classes properties
Bite 86. Create a RGB-to-Hex converter		string formatting
Bite 87. Convert Decimal to Roman Numerals		OrderedDict numbers
Bite 88. Write a performance monitoring context manager		Counter context managers
Bite 89. Playing with lists and dicts		data structures dict list
Bite 90. What South Park characters talk most?		Counter csv data analysis defaultdict requests
Bite 91. Matching multiple strings		all any string matching
Bite 92. Humanize a datetime		datetime namedtuple
Bite 93. Rock-paper-scissors and generator's send		coroutines games random
Bite 94. Parse PyCon talk data from YouTube		list comprehensions max namedtuple
Bite 95. Subclass the dict built-in		classes inheritance
Bite 96. Build Unix' wc program in Python		Unix file processing tempfile
Bite 97. BeautifulSoup II - scrape US holidays		beautifulsoup defaultdict dict
Bite 98. Code your way out of a grid		looping namedtuple numbers tuple unpacking
Bite 99. Write an infinite sequence generator		generators itertools string module zip
Bite 100. Display the last part of a file (Unix tail)		Unix file processing slicing strip
Intro Bite 01. F-strings and a simple if/else		f-strings freebie if/else
Intro Bite 02. Infinite loop, input, continue and break		break continue freebie input mock.patch while
Intro Bite 03. Loop through a dictionary and pluralise a word		dict freebie looping
Intro Bite 04. Split and join		freebie join split
Intro Bite 05. Slice and dice		freebie replace slicing split string module strip
Intro Bite 06. Strip out vowels and count the number of replacements		Zen of Python counting freebie regular expressions replace string manipulation
Intro Bite 07. Filter numbers with a list comprehension		freebie list comprehensions modulo
Intro Bite 08. Loop over a dict of namedtuples calculating a total score		counting dict freebie namedtuple
Intro Bite 09. Workout dictionary lookups		dict exception handling format freebie string manipulation ternary
Intro Bite 10. Type conversion and exception handling		exception handling freebie raise type casting
Bite 111. Use the ipinfo API to lookup IP country		APIs json mock.patch requests
Bite 112. Social Media Username Validator		namedtuple range re regular expressions string manipulation string matching typing
Bite 113. Filter words with non-ascii characters		all ascii ord unicode
Bite 114. Implement a Color class with staticmethod		__repr____str__hex staticmethod string module
Bite 115. Count leading spaces		counting string matching
Bite 116. List and filter files in a directory		generators glob os module
Bite 117. Round a number even (a.k.a. banker's rounding)		Decimal rounding
Bite 118. List exercise: return first occurrence indices of duplicated words		counting list comprehensions set
Bite 119. Xmas tree generator		default args join range string formatting
Bite 120. Write a numbers validation decorator		decorators
Bite 121. Determine the strength of a password		re string matching
Bite 122. Check if two words are anagrams		anagram string matching
Bite 123. Find the user with most friends		defaultdict looping sorting tuples
Bite 124. Marvel data analysis		Counter csv data analysis list comprehensions rounding sum
Bite 125. Get the most recommended books		Counter beautifulsoup default args list comprehensions requests
Bite 126. The Emoji (Unicode) Bite		emojis sys unicode
Bite 127. Return the right ordinal suffix for a number		dict modulo numbers string manipulation
Bite 128. Work with datetime's strptime and strftime		datetime strftime strptime
Bite 129. Analyze Stock Data		counting data analysis json requests sorting string manipulation
Bite 130. Analyze some basic Car Data		Counter data analysis list comprehensions set
Bite 131. Screen scraper		dict index regular expressions slicing string manipulation
Bite 132. Find the word with the most vowels		counting lambda list comprehensions string matching
Bite 133. Convert an Amazon URL into an affiliation link		regular expressions string manipulation
Bite 134. Two Sums		index looping sorting sum
Bite 135. Sort a list of book objects		attrgetter datetime lambda list namedtuple operator sorting
Bite 136. Bloodtypes		enum exception handling multi type input
Bite 137. Gourmets' Nightmare		Counter intersection operator sorting
Bite 138. OOP fun at the Zoo		__str__classes classmethod itertools
Bite 139. Calculate a coding streak in days		datetime string manipulation timedelta
Bite 140. PyBites First Pandas Bite		csv data analysis pandas
Bite 141. Primitive date format inferrer		classmethod datetime enum exception handling
Bite 142. Exception Handling: Calculate the Winning Player		exception handling namedtuple numbers
Bite 143. Look up a value in 3 dictionaries		collections dict
Bite 144. Calculate the Number of Months Passed		datetime dateutil exception handling
Bite 145. Record Breakers		csv data analysis pandas
Bite 146. Rhombus generator		f-strings format string formatting
Bite 147. 100 WEEKDays of Code Date Range		datetime dateutil
Bite 148. Print Car Data Grouped by Manufacturer		data structures itertools operator sorting
Bite 149. Sorting words with constraint		lambda sorting string manipulation
Bite 150. Turn messy CSV into JSON		csv json pandas re string manipulation
Bite 151. Contemporary Composers		datetime dict exception handling generators namedtuple
Bite 152. Manipulate string decorator		decorators kwargs list string manipulation
Bite 153. Round a sequence of numbers		list comprehensions math rounding
Bite 154. Write your own Data Class		data structures dataclasses hashable sorting type hinting
Bite 155. Split a string by spaces or quoted text		split string manipulation
Bite 156. Make an index of story characters		collections defaultdict enumerate sorting string matching
Bite 157. Filter out accented characters		string matching unicode
Bite 158. Subclass the list built-in		dunder methods exception handling inheritance list mean median operator overloading properties statistics
Bite 159. Create a simple calculator		exception handling numbers operator
Bite 160. 15-way Rock Paper Scissors		csv dict exception handling games
Bite 161. Count the number of files and directories		counting directories files os module
Bite 162. Vertically align output of counters		string formatting
Bite 163. Which packages were upgraded?		comparison dict numbers string manipulation
Bite 164. CLI tool: HTML link converter (stdin to stdout)		data wrangling exception handling html stdin string formatting string manipulation sys
Bite 165. Parse an /etc/passwd file output		split string manipulation tuple unpacking
Bite 168. Ninja Rankings		bisect classes dataclasses dunder methods heapq tuples
Bite 166. Complete a tox ini file parser class		classes configparser properties string matching string parsing tox
Bite 167. Complete a User class: properties and representation dunder methods		__repr____str__classes dunder methods f-strings properties string manipulation
Bite 169. Simple length converter		exception handling numbers rounding
Bite 174. String manipulation and metrics		Counter dataclasses list comprehensions properties string formatting string manipulation translate
Bite 170. Analyze McDonald's food data		data analysis pandas
Bite 171. Make a terminal spinner animation		command line itertools stdout sys time
Bite 172. Having fun with Python Partials		functools partial rounding
Bite 173. Set up future notifications		datetime f-strings findall timedelta
Bite 175. Find missing dates		datetime dateutil pandas
Bite 176. Create a variable length chessboard		modulo range stdout
Bite 177. Use Pandas to find most common genres in a movie excel sheet		data cleaning excel groupby movie data pandas
Bite 178. Parse PyBites blog git commit log		Counter data analysis datetime dateutil string parsing
Bite 179. Strip comments from Python code		comments regular expressions string parsing
Bite 180. Group names by country		collections defaultdict groupby
Bite 181. Keep a list sorted upon insert		__str__bisect classes data structures
Bite 182. Parse a bunch of quotes from HTML		dict regular expressions string manipulation string parsing
Bite 183. Analyze sales data with pandas		data analysis groupby pandas
Bite 184. Analyze some Bite stats data		Counter csv data analysis set
Bite 185. Create a simple spelling suggester		SequenceMatcher difflib string matching
Bite 186. Calculate number of books to have read at date ...		datetime dateutil exception handling
Bite 187. Actor/actress age at movie release		dataclasses dateutil f-strings
Bite 188. Get statistics from PyBites test code		data analysis file processing statistics
Bite 189. Filter a list of names		break continue generators looping
Bite 192. Some logging practice		callable logging
Bite 190. Parse income distribution from Latin America XML		data analysis defaultdict xml
Bite 191. Starwars character with highest BMI		max operator string manipulation tuple unpacking
Bite 193. Most upvoted StackOverflow Python questions		beautifulsoup requests sorting string matching web scraping
Bite 194. Add caching to a Fibonacci function		fibonacci functools lru_cache performance
Bite 195. Analyze NBA Data with sqlite3		SQL data analysis databases sqlite3
Bite 196. Create a JS-like dict object		classes dict inheritance javascript
Bite 197. What date is Mother's Day celebrated?		datetime dateutil
Bite 198. Calculate my Mac's longest uptime		data wrangling datetime dateutil string parsing
Bite 199. Multiple inheritance (__mro__)		__mro__classes inheritance multiple inheritance
Bite 200. 🥳 Minecraft Enchantable Items		beautifulsoup web scraping
Bite 201. Call a Cisco Nexus 9k device		networking requests
Bite 202. Analyze some Bite stats data - part II		csv data analysis sorting
Bite 203. Type hinting practice		classes dataclasses type hinting
Bite 204. Pomodoro with asyncio		asyncio pomodoro
Bite 205. Female speakers @ Pycon US		beautifulsoup counting data wrangling gender_guesser
Bite 206. Calculate and evenly split the bill		Decimal numbers rounding
Bite 207. Cached property decorator		caching classes decorators properties
Bite 208. Find the number pairs summing up N		itertools looping numbers
Bite 209. Write a Sphinx docstring		data types docstring sphinx
Bite 210. Add Type Annotations		annotations typing
Bite 211. Write a retry decorator		decorators exception handling
Bite 212. Suppressing exceptions		context managers exception handling
Bite 213. Code a translation fixer		regular expressions
Bite 214. A countdown generator		generators
Bite 215. Validate a license key		bool regular expressions
Bite 216. Parse an email header		regular expressions
Bite 217. Capture stdout		StringIO context managers
Bite 218. Create a sandwich decorator		decorators
Bite 219. Bite notification planner		datetime generators
Bite 220. Analysing @pythonbytes RSS feed		Counter classes feedparser max min namedtuple regular expressions string matching type hinting
Bite 221. Parse best selling lists using the NY Times API		APIs json mock requests
Bite 222. Split an iterable in groups of size n		generators iterators itertools looping
Bite 223. Unix file permissions		dict list comprehensions string manipulation
Bite 224. Get sentences from a text		data wrangling regular expressions string manipulation
Bite 225. Swap case PyBites characters		looping string manipulation string parsing
Bite 226. Get top titles from news.python.sc		beautifulsoup namedtuple news requests sorting string parsing web scraping
Bite 227. Convert Warcraft json data to csv		csv exception handling json
Bite 228. Create a Gravatar URL		gravatar hashlib string formatting
Bite 229. Scrape best programming books		beautifulsoup books classes data cleaning data wrangling sorting web scraping
Bite 230. Thumbs up for operator overloading		classes dunder methods emojis exception handling operator overloading
Bite 231. Where are the emojis?		emojis list comprehensions list looping regular expressions
Bite 232. Analyze gold prices		comparison data analysis looping pandas sorting string parsing
Bite 233. Make a zipfile of the latest log files		datetime os module pathlib zipfile
Bite 234. Capitalize sentences		regular expressions string manipulation string matching string parsing
Bite 235. Which Bite has the fastest tests?		sorting string parsing type casting
Bite 236. User experience matters! Suggest matching files		difflib files pathlib
Bite 237. Get the dates Ninja belts were earned		datetime json looping pandas sorting
Bite 238. Write tests for Fibonacci		fibonacci freebie pytest
Bite 239. Test FizzBuzz		fizzbuzz pytest
Bite 240. Write tests for an Account class		classes pytest
Bite 241. Write tests for list_to_decimal		exception handling freebie pytest
Bite 242. Zodiacal data parsing		datetime fixtures pytest
Bite 243. Test code that parses JSON and IP ranges		dataclasses ipaddress json pytest
Bite 244. Make mutpy's output more digestible		data wrangling looping mutpy string matching string parsing
Bite 245. Xmas Tree 2.0		range string formatting
Bite 246. Test print / standard output		capfd capsys list comprehensions pytest stdout
Bite 247. Mocking a standard library function		mock.patch pytest random
Bite 248. Test a number guessing game		classes exception handling games mock.patch pytest
Bite 249. Test a movie DB class		SQL classes fixtures movie data pytest sqlite3
Bite 250. PyBites URL Shortener		decode dict encode string manipulation string module type hinting
Bite 251. Introducing Pandas Series		pandas series string module
Bite 252. Let's play with Pandas Series		numpy pandas series slicing type hinting
Bite 253. More Pandas Series Practice		math pandas series statistics
Bite 254. Global vs local variables		global sum
Bite 255. Codon Usage		bioinformatics collections textwrap
Bite 256. Scrape PyCon events		beautifulsoup data analysis json namedtuple pycon requests web scraping
Bite 257. Extract users dict from a multiline string		dict string parsing
Bite 258. What the flux?		finance math pandas
Bite 259. Reverse complement		bioinformatics string manipulation translate
Bite 260. Let's play with Pandas DataFrames		dataframes pandas
Bite 261. Visit all PyCons in Europe		data analysis dataclasses itertools math
Bite 262. GC content		bioinformatics collections
Bite 263. Count the number of islands in a grid		algorithms looping string
Bite 264. Clamy Fernet		cryptography dataclasses encode encryption fernet typing
Bite 265. Optimal fund raising		algorithms looping math
Bite 266. Composition, Inheritance, Abstract Base Class, what?		ABCs abstractmethod beautifulsoup composition dataclasses inheritance namedtuple string formatting typing urllib web scraping
Bite 267. Measure the size of an island		algorithms looping math
Bite 269. Taxable Income Calculator		classes dataclasses finance namedtuple properties typing
Bite 268. Number Transformers		algorithms numbers
Bite 270. Most frequent digit in number		Counter counting numbers
Bite 271. Get all class names from a module		inspect list comprehensions
Bite 272. Find common words		algorithms set operations string matching
Bite 273. Shortest path (Graph Bite)		algorithms computer science graph
Bite 274. Number conversion problem		algorithms numbers recursion
Bite 275. Get the most common email domains		Counter requests set string parsing web scraping
Bite 276. Get Father's days by date and country		dateutil string manipulation string parsing
Bite 277. Number of coin changes		algorithms dynamic programming
Bite 278. Major and minor numbers		collections max min numbers
Bite 279. Armstrong numbers		algorithms numbers
Bite 280. Regular Expression Lookahead/Lookbehind		lookahead lookbehind regular expressions
Bite 281. Generating sales reports from Github data		data analysis pandas
Bite 282. Evaluate a Bridge hand		classes enum exception handling looping properties sorting
Bite 283. Like there's no tomorrow?		datetime
Bite 284. Pascal triangle		Pascal algorithms
Bite 285. Nested List Extraction		data structures string parsing
Bite 286. Decompress		recursion string manipulation
Bite 287. Sum indices		looping sum
Bite 288. Smallest number		numbers
Bite 289. Round to next number		math
Bite 290. Class Rosters Data Conversion		csv string parsing tuple unpacking
Bite 291. Find the fastest speech		datetime sorting string manipulation
Bite 292. Scoring matrices		bioinformatics enumerate looping numbers zip
Bite 293. N digit numbers		numbers
Bite 294. Bowling score		games looping numbers
Bite 295. Join lists		iteration joining list
Bite 296. Jagged list		iteration itertools list
Bite 297. Rename keys		data cleaning dict iteration
Bite 298. Fasta to 2-Line Fasta		bioinformatics biopython
Bite 299. Base converter		base exception handling
Bite 300. 🥳 PTO Calculator		calendar datetime exception handling looping numbers string formatting
Bite 301. Exchange rates		datetime dict sorting
Bite 302. Get and write all code from a JSON file		file processing filecmp json string manipulation
Bite 303. Unique genes		bioinformatics biopython
Bite 304. Most identical letters in a word		Counter casefold max string matching
Bite 305. Split once, delimit many		looping split string parsing
Bite 306. Translate coding sequences to proteins		bioinformatics biopython
Bite 307. SQLite3 introduction		SQL databases sqlite3
Bite 308. Calculate the median from a dictionary		median sorting sum
Bite 309. A simple document class		annotations classes method chaining properties string
Bite 310. Create file pairs		bioinformatics files regular expressions
Bite 311. Cleaning text with pandas		TF-IDF data cleaning pandas
Bite 312. Scoring objects		builtins importlib keyword typing
Bite 313. Alternative constructors		classes classmethod
Bite 314. Print names to columns		f-strings modulo print
Bite 315. More logging practice		exception handling logging
Bite 316. To rent or to stream movies?		collections datetime dict typing
Bite 317. Pickling objects		data wrangling pickle serialization
Bite 318. Decode base64 encoded data		base64 decode encode
Bite 319. Identity and equality		equality integer caching staticmethod
Bite 320. sortable dataclasses and enums		dataclasses dunder methods enum sorting
Bite 321. Magic bytes		bytes csv exception handling file processing images string parsing
Bite 346. Getting started with the IRIS data set		data wrangling machine learning numpy pandas scikit-learn
Bite 322. Reading progress		datetime numbers
Bite 323. Iterables intersection		functools set operations
Bite 324. Pretty string		pprint
Bite 325. Floating point arithmetic		arithmetic floats numbers rounding
Bite 326. Abstract Syntax Tree (AST) Printer		AST
Bite 327. AST visitor		AST
Bite 328. Longest coding streak		fromordinal itertools timezones toordinal
Bite 329. Convert dict keys to snake case		algorithms recursion string manipulation
Bite 330. Simple Math Equation Solver		exception handling itertools list operations math operator
Bite 331. Convolution in Neural Networks		deep learning numpy
Bite 332. Searching for an apartment		algorithms
Bite 333. Metropolis–Hastings Algorithm		Markov chain Monte Carlo algorithms numpy statistics
Bite 334. Simple TCP client		TCP/IP client hashlib multiprocessing networking secrets socket
Bite 335. Async HTTP client		aiohttp asyncio client networking
Bite 336. FastAPI Hello World		FastAPI freebie
Bite 337. A little detour: Pydantic		FastAPI Pydantic freebie
Bite 338. Create food objects		FastAPI freebie
Bite 339. Retrieve food objects		FastAPI freebie
Bite 340. Update and delete food objects		FastAPI freebie
Bite 341. Pydantic part II		FastAPI Pydantic freebie
Bite 342. Food logging CRUD		FastAPI freebie
Bite 343. FastAPI Exception handling		FastAPI freebie
Bite 344. Return an HTML response		FastAPI freebie
Bite 345. FastAPI Authentication with JWT (JSON Web Tokens)		FastAPI freebie
Bite 347. Which words can you type with one hand?		comparison enum set
Bite 348. Citation indexes		builtins exception handling typing
Bite 349. Writing better Spanish		ascii dict unicode unicodedata
Bite 350. Learn to handle cron schedule expressions		crontab dataclasses datetime exception handling iteration
Bite 351. Get spelling suggestions		TextBlob comparison namedtuple tuple unpacking typing

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Bites of Py Catalogue