28.02.18 16:14, Kirill Balunov пише:
2018-02-28 16:49 GMT+03:00 Serhiy Storchaka <[email protected] <mailto:[email protected]>>:Other options:stuff = [[y, y] for y in (f(x) for x in range(5))]Why not `stuff = [[y, y] for y in map(f, range(5))]`? It is currently the fastest and most readable version IMHO.
Only in this particular case. This doesn't work if the expression for items depends on x or if the subexpression is not a function call.
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