Course progress DataFrame, variant 65. Return id, amount, and net_amount equal to 90% of amount rounded to 2 decimals, ordered by id. Implement `solve(df)` and return a PySpark DataFrame.
DrawCode Practice Problem
Derive Net Amount · Course progress 65
Interactive Visualizer Workspace
Explore step-by-step interactive animations, memory state tracking, and live multi-language execution in DrawCode.
Launch Interactive Visualizer