我认为不会有一个好的、优雅的解决方案(当然我希望被证明是错误的),所以我建议一些简单的方法:
def nSplit(lst, delim, count=2):
output = [[]]
delimCount = 0
for item in lst:
if item == delim:
delimCount += 1
elif delimCount >= count:
output.append([item])
delimCount = 0
else:
output[-1].append(item)
delimCount = 0
return output
>>> nSplit(['a', 'b', 'X', 'X', 'c', 'd', 'X', 'X', 'f', 'X', 'g'], 'X', 2)
[['a', 'b'], ['c', 'd'], ['f', 'g']]