使用 groupby 方法:

Another solution here, using itertools' groupby method:

from itertools import groupby

l = [2,2,2,0,2,2,0]
elems = list(set(l))
g = [{elem : max([len(list(g)) for k,g in groupby(l) if elem == k])} for elem in elems]
print(g)

结果:

[{0: 1}, {2: 3}]