Python Practice

Real-life problems solved with Python. Read the scenario, write the program, and see your answer checked against hidden tests.

All topics Basics & Math Strings Files & CSV Lists & Dictionaries Algorithms Data Analysis Simulation & Finance Dates & Time

All levels Basic Intermediate Expert

Detect duplicate card transactions

Algorithms

Solve challenge

Merge overlapping room bookings

Algorithms

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Best day to buy and sell

Algorithms

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Spend the ad budget for the most leads

Algorithms

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Contract redline: how much really changed?

Algorithms

Solve challenge

Cheapest fare and how many ways to fly it

Algorithms

Solve challenge

Build schedule for a new hospital wing

Algorithms

Solve challenge

Watching a social network grow its biggest circle

Algorithms

Solve challenge

Emergency room: who gets the next doctor?

Algorithms

Solve challenge

Triangular currency arbitrage scanner

Algorithms

Solve challenge

Pocket calculator with exact fractions

Algorithms

Solve challenge

Bracket tags gone wrong

Algorithms

Solve challenge

Find the customers who signed up twice

Algorithms

Solve challenge