code: def new_user(yaml_path):
      '''
      Return the consumer and oauth tokens with three-legged OAuth process and
      save in a yaml file in the user's home directory.
      '''
  
      print 'Retrieve API Key from https://www.shirts.io/accounts/api_console/'
      api_key = raw_input('Shirts.io API Key: ')
  
      tokens = {
          'api_key': api_key,
      }
  
      yaml_file = open(yaml_path, 'w+')
      yaml.dump(tokens, yaml_file, indent=2)
      yaml_file.close()
  
      return tokenf new_user(yaml_path):
      '''
      Return the consumer and oauth tokens with three-legged OAuth process and
      save in a yaml file in the user's home directory.
      '''
  
      print 'Retrieve API Key from https://www.shirts.io/accounts/api_console/'
      api_key = raw_input('Shirts.io API Key: ')
  
      tokens = {
          'api_key': api_key,
      }
  
      yaml_file = open(yaml_path, 'w+')
      yaml.dump(tokens, yaml_file, indent=2)
      yaml_file.close()
  
      return tokens
docs: Return the consumer and oauth tokens with three-legged OAuth process and
      save in a yaml file in the user's home directory.