[Solved] Python merge element of the list [closed]
If you want to preserve the order of the first elements, something like this might work: from collections import OrderedDict def merge(seq): d = OrderedDict() for k,v in seq: d.setdefault(k, []).append(v) result = [[k]+v for k,v in d.iteritems()] return result This loops over each pair in the sequence. For each k, we either get the … Read more