Add materials for "Python Performance Optimization: A Practical Guide" - #801
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Keeps the script in sync with the tutorial, which now distinguishes the 500,000-run total from the time a single call takes. Also formats the currency so the output no longer shows a float artifact.
The timeit call was wrapped across three lines but fits within the repo's 79-character limit, so ruff format collapses it. Makes ruff format --check pass on this folder.
Matches the pattern used by the other materials folders, and adds the missing trailing newline.
stephengruppetta
approved these changes
Aug 29, 2026
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