<ul data-eligibleForWebStory="true"><li>Unit testing is key for new programmers to ensure code reliability.</li><li>It involves testing small code units like functions to catch issues early.</li><li>Python's unittest framework enables easy creation of unit tests for functions.</li><li>Common mistakes include missing assertions or incorrect expected values in tests.</li><li>Unit testing practice ideas include string reversal, interest calculations, and more.</li></ul>

Programming Entry Level: best way to unit testing

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