code: def get_output_lines_from_command(host, command):
      
      with closing(ssh_client(host)) as ssh:
          _, stdout, stderr = ssh.exec_command(command)
          lines = stdout.read().splitlines()
          report_stderr(host, stderr)
      return lines
docs: Execute a command on the specified host, returning a list of
      output lines.
  
      :param host: the host name
      :type host: str
      :param command: the command
      :type commmand: str