Python Practice
Real-life problems solved with Python. Read the scenario, write the program, and see your answer checked against hidden tests.
Expert50 pts
Anomalies that do not poison the baseline
Data Analysis
Solve challengeExpert50 pts
Black Friday forecast: seasonality plus trend
Data Analysis
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Clean the messy order export
Data Analysis
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Spot the outlier flights
Data Analysis
Solve challengeExpert50 pts
Waiting-time percentiles by hospital site
Data Analysis
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School league with shared ranks
Data Analysis
Solve challengeExpert50 pts
Revenue rollup from nested JSON orders
Data Analysis
Solve challenge