Python Practice
Real-life problems solved with Python. Read the scenario, write the program, and see your answer checked against hidden tests.
Intermediate25 pts
Sales report for a category
Files & CSV
Solve challengeIntermediate25 pts
Most common words in customer feedback
Lists & Dictionaries
Solve challengeIntermediate25 pts
Students with attendance shortage
Lists & Dictionaries
Solve challengeIntermediate25 pts
How many loading docks does the warehouse need?
Algorithms
Solve challengeIntermediate25 pts
Smallest truck that clears the backlog in D days
Algorithms
Solve challengeIntermediate25 pts
How many periods hit the revenue target exactly?
Lists & Dictionaries
Solve challengeIntermediate25 pts
Fewest connections between two cities
Algorithms
Solve challengeIntermediate25 pts
Top K trending hashtags of the match
Lists & Dictionaries
Solve challengeIntermediate25 pts
Satellite map: islands left by the flood
Algorithms
Solve challengeIntermediate25 pts
Forecast bake-off: naive, average or smoothing?
Data Analysis
Solve challengeIntermediate25 pts
RFM scoring for a London fashion shop
Lists & Dictionaries
Solve challengeIntermediate25 pts
Cohort retention for a language-learning app
Lists & Dictionaries
Solve challengeIntermediate25 pts
ABC classification for a Rotterdam warehouse
Lists & Dictionaries
Solve challengeIntermediate25 pts
Check-in desks at Istanbul Airport
Simulation & Finance
Solve challengeIntermediate25 pts
Which streaming plan is worth the ad budget?
Simulation & Finance
Solve challengeIntermediate25 pts
Income tax slabs from a rate table
Basics & Math
Solve challengeIntermediate25 pts
Currency desk conversion ledger
Simulation & Finance
Solve challengeIntermediate25 pts
Loan EMI with an adjusted last payment
Simulation & Finance
Solve challengeIntermediate25 pts
Mid-cycle plan change
Dates & Time
Solve challengeIntermediate25 pts
SLA deadline in business days
Dates & Time
Solve challengeIntermediate25 pts
Tenure report and next work anniversary
Dates & Time
Solve challengeIntermediate25 pts
Months until the savings goal
Simulation & Finance
Solve challengeIntermediate25 pts
Slowest hospital departments at rush hour
Lists & Dictionaries
Solve challengeIntermediate25 pts
Build the league table
Data Analysis
Solve challengeIntermediate25 pts
Support team scorecard (two files)
Data Analysis
Solve challengeIntermediate25 pts
Days a stock beats its moving average
Simulation & Finance
Solve challengeIntermediate25 pts
Month-over-month swings in energy demand
Data Analysis
Solve challengeIntermediate25 pts
Longest heatwave streak
Data Analysis
Solve challengeIntermediate25 pts
Order value histogram
Data Analysis
Solve challengeIntermediate25 pts
Which microservices are on fire?
Lists & Dictionaries
Solve challengeIntermediate25 pts
Dial it right: phone number normaliser
Strings
Solve challengeIntermediate25 pts
IBAN checksum inspector
Strings
Solve challengeIntermediate25 pts
Hackathon leaderboard with dense ranks
Lists & Dictionaries
Solve challengeIntermediate25 pts
Throttle the noisy API clients
Simulation & Finance
Solve challengeIntermediate25 pts
Dissect the tracking URLs
Strings
Solve challengeIntermediate25 pts
What are customers really saying?
Lists & Dictionaries
Solve challenge