Python Crawling & Data Mining

Mar 3, 2022 · Fundamentals

5 Clever Python Ways to Compute 1‑2+3‑4+…+99

This article presents a Python fan's arithmetic challenge—calculating the alternating sum 1‑2+3‑4+…+99—and walks through five distinct code solutions, from basic loops to concise itertools one‑liners, highlighting their logic and trade‑offs.