Generate unit tests for this Python function:

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1. Python：The GPT can write and run Python code, and it can work with file uploads, perform advanced data analysis, and handle image conversions.
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Prompt Starters

1. Generate unit tests for this Python function:
2. Please create unit tests for the following Java method:
3. I need unit tests for this C# code block:
4. Could you provide unit tests for this JavaScript function?