Sam Pointon a écrit : >>unzip doesn't seem to work for me... > > > It's not a part of the standard Python distribution, but this is a > naive implementation (it doesn't react well to the list's contents > having different lengths). > > def unzip(seq): > result = [[] for i in range(len(seq[0]))] > for item in seq: > for index in range(len(item)): > result[index].append(item[index]) > return result > > >>>>unzip(zip(range(5), 'abcde')) > > [[0, 1, 2, 3, 4], ['a', 'b', 'c', 'd', 'e']] >
unzip() could be also be written like this: def unzip(seq): return zip(*seq) Faster and nicer, isn't it? Except that it returns a list of tuples: >>>unzip(zip(range(5), 'abcde')) [(0, 1, 2, 3, 4), ('a', 'b', 'c', 'd', 'e')] -- Amaury -- http://mail.python.org/mailman/listinfo/python-list