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Complexity Analysis with Radon

What Radon measures

  • Cyclomatic complexity (branches/paths)
  • Maintainability index

High complexity often means:

  • harder to test
  • more bugs
  • slower changes

Run

radon cc -a your_package
radon cc -a your_package

Maintainability:

radon mi your_package
radon mi your_package

How to use results

  • identify hotspots
  • refactor into smaller functions
  • add tests around risky logic first

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