Starting the Debugger Session
The debug session starts with the selected run/debug configuration. Note that several debug processes can be launched simultaneously.
For example, debugging session for a Python script will start with the default temporary run/debug configuration, unless you select a permanent one.
To start debugging a Python script
Open the desired Python script in the editor, or select it in the Project tool window.
From the context menu, choose:
Note that after you've launched a debug session, the icon that marks the Debug Tool Window toggles to to indicate that the debugging process is active.