<ul><li>When working on a project that requires compatibility with both Python 2 and Python 3, understanding key differences is crucial.</li><li>Common compatibility issues include differences in print statements, integer division, string handling, module imports, and dictionary iteration.</li><li>Best practices for compatibility include using future imports, utilizing the six library, leveraging compatibility libraries, and regular testing.</li><li>Tools like futurize, modernize, and continuous integration services can assist in identifying and resolving compatibility issues.</li></ul>

How to Write Python Code Compatible with Both Python 2 and 3?

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