On Mon, May 4, 2009 at 12:23 PM, Mike Hansen <mhan...@gmail.com> wrote: > > On Mon, May 4, 2009 at 12:19 PM, Jaap Spies <j.sp...@hccnet.nl> wrote: >> Another Python builtin is pow(), but how is it possible that >> type(pow(2,9,11)) returns >> <type 'sage.rings.integer_mod.IntegerMod_int'> >> >> Or am I mistaken? > > The pow() builtin just calls __pow__ on the first argument in that > case, which we control so we can return one of our types. len() will > call __len__, but forces whatever is returned to be an int. This is > what will be changing in Python 3.0.
However that change will in now way help with the original question. Even in python 3.0 the len(...) of a list is still a Python int. wst...@sage:~$ python3.0 Python 3.0 (r30:67503, Jan 23 2009, 04:39:45) [GCC 4.2.4 (Ubuntu 4.2.4-1ubuntu3)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> type(len([1,2,3,4])) <class 'int'> William --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
