code: def _get_game_type_des(cls, game_type):
          
          if game_type == 'S':
              return 'Spring Training'
          elif game_type == 'R':
              return 'Regular Season'
          elif game_type == 'F':
              return 'Wild-card Game'
          elif game_type == 'D':
              return 'Divisional Series'
          elif game_type == 'L':
              return 'LCS'
          elif game_type == 'W':
              return 'World Series'
          return MlbamConst.UNKNOWN_FULL
docs: get game type description
          :param game_type: game type
          :return: game type description