Lernerpython iconLernerpythonSep 24, 2026 ~1 min source read

LernerPython blog, from Reuven Lerner: New on the LernerPython practice system: A visual debugger

I'm a big fan of exercises, which is why the LernerPython platform includes hundreds of them — all using my in-browser practice system, which handles Python, Pandas, and Git, along with an AI-based Socratic tutor based on my writing. It includes a visual debugger, allowing you to set breakpoints and trace through your Python, viewing global and local variables.

LernerPython blog, from Reuven Lerner: New on the LernerPython practice system: A visual debugger

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It includes a visual debugger, allowing you to set breakpoints and trace through your Python, viewing global and local variables.

It works on all of my exercises, including those involving multiple files and modules.

I've got many more plans for improving my practice system in the coming weeks and months, and for making LernerPython an ever-more-attractive place to sharpen your skills.

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The useful part

It includes a visual debugger, allowing you to set breakpoints and trace through your Python, viewing global and local variables. It works on all of my exercises, including those involving multiple files and modules. the AI tutor sees the debugger's current output, allowing you to ask it questions about the current state of your program and what you're seeing.

How it works

  • I've got many more plans for improving my practice system in the coming weeks and months, and for making LernerPython an ever-more-attractive place to sharpen your skills.
  • Try a few sample exercises, with no charge or obligation: https://practice.lernerpython.com/classroom/540d7ab1a1/ And of course, you can try LernerPython free for two weeks at https://LernerPython.com/join.

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  • I'm a big fan of exercises, which is why the LernerPython platform includes hundreds of them — all using my in-browser practice system, which handles Python, Pandas, and Git, along with an AI-based Socratic...

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