On Monday, August 17, 2015 at 7:32:08 PM UTC+5:30, Владислав wrote: > # first: works fine > x = [1, 2, 4, 2, 1, 3] > x = list(set(x)) > x.sort() > print(x) # output: 1, 2, 3, 4 > > # second: why x became None ?? > x = [1, 2, 4, 2, 1, 3] > x = list(set(x)).sort() > print(x) # output: None > I know that sort() returns None, but I guess that it would be returned x that > was sorted. Why so? > > >
Maybe you want sorted? >>> x = [4,2,1,3] >>> sorted(x) [1, 2, 3, 4] [The list(set(..)) is probably for removing duplicates. Right? Which you seem to have worked out it seems? So best when asking questions to focus on one issue at a time] -- https://mail.python.org/mailman/listinfo/python-list
