splitAtSequence

splitListAtSequence.py

var = ['a','b','c','b','c', 'd', 'e', 'a','b', 'a','b','c']

def splitChar(lst):
    temp = []
    for idx, x in enumerate(lst):
        try:
            if ord(x) + 1 == ord(lst[idx + 1]):
                temp.append(x)
            else:
                temp.append(x) 
                yield temp
                temp = []
                splitChar(lst[idx + 1:])
        except IndexError:
            temp.append(x)
            yield temp  

varw =[ x for x in splitChar(var)]
print varw