Screen Python candidates on real starter repos
59 short Python tasks, each shipping with a public test file and a language-specific runner. Candidates work in their own style; reviewers see how the code actually hangs together.
Alarm Beacon
Your task is to convert a signal code number into a string of beacon alert patterns.

Your task is to convert an alert code number into a string of alarm chime sounds.

Your team maintains an internal alert triage service. Each incoming alert carries five severity tags — tokens composed.

In a user identity system, an alias cluster is a group of usernames that share exactly the same letters in a different.

For an Astral Pilot simulation, each cadet begins by generating a pilot profile they can fly with.

Given a word, compute the badge points for that word. You'll need these:

Your team is building the ranking engine for an online auction platform. Each bid submitted to an auction carries five.

An internal billing system assigns sequential period numbers to billing cycles. Some periods are designated as extended.

An online retailer sells five distinct product SKUs. Each item costs $8 at full price. To encourage bundle purchases,.

Your task is to maximize the value of a cargo load without exceeding the hold's weight limit.

Convert an encoded payload, represented as a sequence of symbol values in one radix, to any other radix.

You are building a roster system for a developer training academy. Participants are assigned to numbered cohorts based.

Correctly determine the fewest number of coins needed to make an exact target amount from a supplied denomination list.

You are building a decoder for a legacy industrial robot controller. The controller receives a continuous stream of.

Implement a function that encodes plain English text into commit jargon. Your team uses an internal shorthand for.

You are working on a small internal tool that compares two configuration snapshots.

You are cleaning imported contact records before they are saved into a CRM. Each record includes a freeform phone field.

Output the lyrics to 'The Twelve Days of Christmas'. ``text On the first day of Christmas my true love gave to me: a.

Determine if a text sample has full alphabet coverage. A sample with full coverage uses every letter of the alphabet at.

Classify a delivery drop-off location into the correct fee tier based on its distance from the warehouse.

Calculate the date of scheduled deployment windows. Many engineering teams run deployments on a fixed recurring weekday.

Your assignment is to write a depot shuttle navigator. A large distribution depot uses automated shuttles to move.

Refactor an expense report formatter. The expense report exercise is a refactoring exercise. There is code that prints.

A maritime signal station transmits messages using a sequence of signal flags. A numeric transmission code determines.

Determine which team controls each zone on a contested grid. In a grid claim competition two teams—Black (B) and White.

Identify grid crossovers in an operations matrix. A grid crossover is a cell whose value is greater than or equal to.

In a grid hunt challenge you scan a rectangular field of characters to locate hidden target strings.

Implement a steps function that computes how many cascade steps a hailstone particle takes to reach unit mass.

Implement the response logic for a basic help-desk chatbot. The bot handles incoming support messages and replies with.

An internal post-mortem tool reconstructs incident chains. Each step in the chain describes an event and how it caused.