<ul><li>Virtual environments are necessary for maintaining clean Python setups and avoiding dependency hell.</li><li>Using pip freeze to generate requirements.txt can simplify managing dependencies in the future.</li><li>Writing functions is not just about reusability, but also about making the code logical and maintainable.</li><li>Breaking down code early on helps readability and future understanding, especially during challenging times.</li></ul>

5 Python Concepts I Wish I Understood Before My First Project

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