On Fri, Dec 10, 2010 at 5:46 PM, Octavian Rasnita <orasn...@gmail.com> wrote: > From: "John Nagle" <na...@animats.com> >> On 12/10/2010 2:31 AM, kolo 32 wrote: >>> Hi, all, >>> >>> Python critique from strchr.com: >>> >>> http://www.strchr.com/python_critique >> >> I have criticisms of Python, but those aren't them. >> >> Probably the biggest practical problem with CPython is >> that C modules have to be closely matched to the version of >> CPython. There's no well-defined API that doesn't change. >> This make life easier for Guido and tough on everybody else. >> That's the real cause of Python's "version hell". >> >> On the scope front, given the lack of declarations, Python >> has done reasonably well. Scopes in Python aren't as narrow >> as one might like, but this isn't a major headache. > > How narrow are the scopes in Python? > Is each block (each level of indentation) a scope? > If it is, then I think it is very enough because the other cases can be > detected easier or it might not appear at all in a well-written program. > If it is not, then yes, it is a problem. > > Can you please tell me how to write the following program in Python? > > my $n = 1; > > { > my $n = 2; > print "$n\n"; > } > > print "$n\n"; > > If this program if ran in Perl, it prints: > 2 > 1 > > I have tried to write it, but I don't know how I can create that block > because it tells that there is an unexpected indent. > > Thanks. > > Octavian
The only scopes Python has are module and function. Python doesn't have declarations like Perl (or most other languages), so there's no way to specify that you want a different variable within the block. -- http://mail.python.org/mailman/listinfo/python-list
