new_contents: import parser
  
  p = parser.Parser()
  input = ['-c mango', '--create mango', 'c mango',
           '--create kiwi c guava lemon', '--create']
  
  for i in input:
      ret = p.parse(i)
      print('--------')
      print(i)
      print(ret)
      print('--------')
  
subject: Add simple testing driver