PySpark Koans

Learn by fixing tests

Progress0/39

© 2025-2026 Alex Cole. All Rights Reserved.

Spark Koans is an independent community tool.

String FunctionsKoan 16

String Functions - Trim and Pad

Remove or add whitespace. Replace ___ with the correct code.

How it works: Replace the ___ blanks in the code editor with the correct PySpark code, then hit Run Code. Stuck? Try the Hint button.
Setup (read-only)
data = [("  Alice  ",), ("Bob",), (" Charlie ",)]
df = spark.createDataFrame(data, ["name"])
Your CodeCtrl/Cmd+Enter to run
Output
Output will appear here...