Code Mala Tang
Mar 27, 2025 · Fundamentals
Why Returning None Is Bad and Better Ways to Handle Missing Values in Python
Returning None for missing data can cause unexpected crashes, so this article explains why that approach is problematic and demonstrates safer alternatives in Python, such as using default values with dict.get, raising exceptions when appropriate, and employing result objects to clearly indicate success or failure.
None handlingPythondefault values
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