92+ Python Coding Challenges for Practice

Return the two smallest pickup times from a list using Python's heapq module.

Snack Vote Winner with Counter()

Find the snack with the highest vote count using Python's collections.Counter().

Combined Supply List with set()

Merge two supply lists into one alphabetically sorted list of unique item names using Python's set().

Snack Line Rotation with deque()

Move the first student in line to the end using Python's collections.deque.

Seat and Name Tuples

Build a list of tuples where each tuple stores a seat number and the student name in that seat.

Duplicate Tag Check with set()

Check whether a list of storage tags contains any repeated value using Python's set().

Find Common Elements

Find common elements using set operations

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Python Functions 5

Master the art of functional programming in Python. You will learn to write clean, reusable, and highly efficient code through challenges that focus on decorators, lambda functions, closures, and modular design patterns.

Guest Shortlist with filter()

Keep only guest names that meet a minimum length using Python's filter() function.

Score Boost with map()

Add 5 bonus points to every score using Python's map() function.

Reminder Message with Default Argument

Build a reminder message using a default greeting when no custom greeting is provided.

Sort Items by Custom Criteria

Sort and filter data using inline functions

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Process Large Sequence Efficiently

Process large datasets with memory efficiency

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Python List and Dictionary 11

Focus on Pythons most versatile and powerful built-in collections. Learn to implement complex data mappings, perform efficient list comprehensions, and leverage dictionary methods for high-speed lookups and data organization.

Guest List Cleanup with dict.fromkeys()

Remove repeated guest names while keeping the first appearance of each one using Python's dict.fromkeys().

Present Students List

Return the student names marked present from an attendance dictionary, keeping the original dictionary order.

Library Card Pairing with zip()

Combine two lists into one dictionary that maps each student name to a library card number using Python's zip().

Seat Map with enumerate()

Build a seat map dictionary where each student name points to its seat number starting from 1.

Club Grouping with setdefault()

Group student names under each club using Python's setdefault().

Snack Count with dict.get()

Count how many times each snack appears in an order list using Python's dict.get().

Iterate with Enumerate

Learn how to easily keep track of the index while looping through a python sequence using enumerate().

Combine Lists with Zip

Learn how to use Python's built-in zip() function to combine two lists efficiently into a dictionary.

Sum of Even Numbers

Calculate the sum of all even numbers in a given list.

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Python String Handling 10

Master the art of text manipulation and pattern matching. From basic slicing and joining to advanced regular expressions and efficient string formatting, these challenges will prepare you for real-world data parsing and cleaning tasks.

Harbor Radio Digit Masking

Hide every digit in a harbor radio message except the final three numeric characters.

Broadcast Rundown Line Numbering

Clean a pasted studio rundown by skipping comment lines and numbering only the real broadcast items.

Reading Room Placard Styling

Format a book-display title so small connector words stay lowercase in the middle but major words stay capitalized.

Dispatch Note Parsing with partition()

Use Python's partition() to pull the message part out of a dispatch note after the first colon.

Backstage Cue List with splitlines()

Use Python's splitlines() to turn a pasted cue sheet into a clean list of real backstage instructions.

Shelf Tag Cleanup with startswith()

Use Python's startswith() to detect a leading shelf marker before trimming it from a store tag.

Parcel Label Padding with zfill()

Use Python's zfill() to pad a parcel code with leading zeroes until it reaches the required label width.

Convert Phrase to Snake Case

Turn a phrase into snake_case using Python string methods.

Count Vowels in a String

Write a function to count the number of vowels in a given string.