On Tue, Sep 20, 2016, at 09:19, 38016226...@gmail.com wrote: > >>> x = [1, 2, 3] > >>> y = [4, 5, 6] > >>> zipped = zip(x, y) > >>> list(zipped) > [(1, 4), (2, 5), (3, 6)] > >>> x2, y2 = zip(*zip(x, y)) > >>> x == list(x2) and y == list(y2) > True > > My problem is >>> x2, y2 = zip(*zip(x, y)). > zip return an iterator but x2 and y2 are different? > I really need detail explanation about this line.
Well, as you've seen, zip(x, y) is (1, 4), (2, 5), (3, 6) This means that zip(*...) is zip((1, 4), (2, 5), (3, 6)). It takes the first element of each argument (1, 2, and 3), and then the next element of each argument (4, 5, and 6). -- https://mail.python.org/mailman/listinfo/python-list
