Mastering Python Collections: Lists vs Tuples vs Sets vs Dicts Performance Deep Dive
·1763 words·9 mins
In the landscape of 2025, Python continues to dominate backend development, data engineering, and AI pipelines. With the advancements in Python 3.14 and 3.15 (including the maturity of the JIT compiler and No-GIL builds), the language is faster than ever. However, no amount of interpreter optimization can save code that uses the wrong data structures.