Python for AI Engineering· day 9 of 30
DAY 09Python
Sorting, Filtering, Mapping & Reducing
Day 9 of Python for AI Engineering, completing Module 2. Master the four core data operations — sort, filter, map, reduce — plus lambda functions and safely handling None, optional values and defaults. You'll build a leaderboard that ranks records, computes stats, and copes with missing data.
Jun 22, 2026 13 min read2.5k words
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