<ul><li>A clear, repeatable folder structure is crucial for Python projects to avoid 'import hell' and ensure a predictable workflow.</li><li>The 'src' layout, where all importable code is placed in a src/ folder, is recommended for medium-to-large apps and projects that ship to production.</li><li>Placing code under src/ helps prevent import conflicts, keeps PyPI uploads clean, allows for easy package uninstallation, and provides clarity as the project grows.</li><li>While a flat layout is suitable for small scripts and demos, transitioning to a src layout early can prevent refactoring difficulties in the future.</li></ul>

Python Project Structure: Why the ‘src’ Layout Beats Flat Folders (and How to Use My Free Template)

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