code: def get_output(cmd, args):
      
      from subprocess import Popen, STDOUT, PIPE
  
      command = [cmd]
      command.extend(listify(args))
  
      process = Popen(command, stdout=PIPE, stderr=STDOUT)
      out, _ = process.communicate()
  
      return out.decode('utf-8')
docs: Runs a command and returns its output (stdout + stderr).
  
      :param str|unicode cmd:
      :param str|unicode|list[str|unicode] args:
  
      :rtype: str|unicode