Stage Descriptions on Hyperskill website Generating Randomness Stages 1 2 3 4 HR Data Analysis Stages 1 2 3 4 5 Data Analysis for Hospitals Stages 1 2 3 4 5 Salary Prediction Stages 1 2 3 4 5 Logistic Regression from Scratch Stages 1 2 3 4 Classification of Handwritten Digits Stages 1 2 3 4 5