python一个列表根据某个元素前后分割
from itertools import groupby
result = [list(g) for k, g in groupby(data, lambda x:x=='') if not k]
print(result)

更多精彩
from itertools import groupby
result = [list(g) for k, g in groupby(data, lambda x:x=='') if not k]
print(result)