whats the difference between subprocess popen and call

https://stackoverflow.com/questions/7681715/whats-the-difference-between-subprocess-popen-and-call-how-can-i-use-them

 

• call is blocking:

  call('notepad.exe')
  print('hello')  # only executed when notepad is closed
  

• Popen is non-blocking:

  Popen('notepad.exe')
  print('hello')  # immediately executed