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Dark code editor interface main.py • Python
Dark code editor interface Ln 12, Col 8
Software development untitled.py
✓ Running untitled.py...
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How can I optimize this function?

You can use list comprehension instead of the loop for better performance. Here's the optimized version:

result = [x * 2 for x in items if x > 0]

What does this error mean?

This is a TypeError indicating you're trying to access a method on a None value. Check if the variable is properly initialized.

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