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> For a bad transition, look at Perl 6 At first glance, you're right. But if you take a closer look, from a purely pragmatic perspective, there are now at least two coexisting ecosystems in two different languages, peacefully sailing along. Python 2/3 is in this kind of weird twilight zones that the two versions are far away enough that you can't have a smooth transition like in e.g. C++, Java, Rust, Go, etc., but still close enough that there is not a clear cut like in Perl5/Raku. So for a few years, one had to juggle with some of the libs that were 2-and-3 compatible, some that were 2-only, and the others that were 3-only. C++ et al. let your code evolve Theseus ship-like; Perl makes you build a new ship; and Python tells you that your ship should be OK if you repaint that thing, change a bit of that one, oh, and by the way, you'll have to check very carefully your bunkers, because the boilers will explode if every coal nut is not Unicode-compatible. |