That means that the `python` program that will be used is the one **in the virtual environment**.
you use `which` in Linux and macOS and `Get-Command` in Windows PowerShell.
You use `which` in Linux and macOS and `Get-Command` in Windows PowerShell.
The way that command works is that it will go and check in the `PATH` environment variable, going through **each path in order**, looking for the program called `python`. Once it finds it, it will **show you the path** to that program.