new_contents: #! /usr/bin/env python
  # title           :play.py
  # description     :Decides between 2 versions of reversi
  # author          :andresthor
  # date            :07-02-2017
  # usage           :python play.py
  # python_version  :3.5.2
  # =============================================================================
  
  # A veru crude way of chosing which version of the game to play. Just checks
  # for the existance of pygame and what version of python the user has
  
  import sys
  
  print('\nREVERSI')
  has_pygame = True
  python_version = sys.version_info[0]
  
  if python_version < 3:
      try:
          import pygame
      except ImportError, e:
          print('pygame not found - can only run cmd-line version.')
          has_pygame = False
  else:
      print('Not running python3. GUI version will likely not run on python2.')
  
  input = 0
  while input not in [1, 2]:
      try:
          input = int(raw_input('\n1. Command-line version\n2. GUI version\n'))
      except:
          pass
  
  
  if input == 1:
      execfile('cmd_line.py')
  elif input == 2:
      if not has_pygame:
          print('You need to install pygame to play the GUI version!')
      else:
          execfile('gui.py')
  
  print('Exiting program!')
  
subject: Add crude way of selecting game interface/version