Hello @James Shaw ,
Welcome to Microsoft Q&A forum.
You need to create a new Python related project(or open a Python project) in Visual Studio to debug your project which includes the
.py file and python codes. Just open a single
.py file is not enough to debug the project in Visual Studio, so you will see the “Start” changed to “Attach…”.
Please try to create a Python project and then copy and paste the Python code from the single
.py file to the project’s
.py file and then debug the whole project.
BTW, for more information about
Attach to process feature, you can refer to this document: Attach to running processes with the Visual Studio debugger.
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