Python: Start new command prompt on Windows and wait for it finish/exit

Question

I don\'t understand why it\'s so hard to do this on Windows.

I want to spawn a bunch of command prompt windows which will run other scripts. The reason I want this i

Answer 1

The accepted answer didn't work for me.
To open on a new command prompt I had to use:

os.system("start /B start cmd.exe @cmd /k mycommand...")