new_contents: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import subprocess
  import os
  
  DEVNULL = open(os.devnull, 'w')
  
  
  def execute(command):
      output = subprocess.check_output(command, shell=True, stderr=DEVNULL)
      if output:
          return output.strip().split('\n')
  
  """
  examples:
  
  cmd_output_lines = execute("myCmd loco list")[2:] # execute a shell script and ignore the first two lines
  for line in cmd_output_lines:
      arg1, arg2 = line.split()[0:2] # extract only the columns we want :)
      result = execute('otherCmd {}:{}'.format(arg1,arg2)) # execute some other command with these arguments
      for result_line in result:
          print(result_line)
  """
  
subject: Create automate.py