Solving the Python NameError When Executing Scripts: A Guide to Transitioning to runpy

Discover how to resolve the common `NameError` you encounter when executing one Python script from another, and learn about the advantages of using `runpy` instead of `exec()`.
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Understanding the Python NameError Issue

The Problem

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The Cause of the NameError

The issue arises largely due to the use of exec(), which is a function that executes the Python code present in the argument string. While this might seem straightforward, it has significant drawbacks, including:

Performance Problems: Using exec() is slower compared to other python functions designed for running scripts.

A Better Solution: Use runpy

Step 1: Import runpy

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Step 3: Remove Unnecessary Imports

Conclusion

If you encounter further issues or have any questions, don’t hesitate to reach out or leave a comment below. Happy coding!