code: def get_beta_list(queue, *args):
      
      beta_list = []
      for i in queue:
          c = CDM(i)
          beta_list.append(c.get_alpha(*args))
      return beta_list
docs: 获取调整后的风险因子列表，用于归一化风险因子系数
  
      Keyword arguments:
      queue                    -- 标题候选队列
      *args                    -- 强化ef，客串如多个list
      Return:
          beta_list            -- 所有候选标题的beta，list类型