pandas记录

判断1,2,3,4在每一行是否出现:

data = pd.DataFrame({"a":[[1,2,3],[2,3,4],[2,4,1]]})
for i in l:
    def aaa(x):
      if i in x:
        return 1
      else:
        return 0
    data[i] = data['a'].apply(aaa)