On Sat, 25 Oct 2014 14:23:44 -0400, Dennis Lee Bieber <wlfr...@ix.netcom.com> wrote:
>On Fri, 24 Oct 2014 10:38:31 -0400, Seymore4Head ><Seymore4Head@Hotmail.invalid> declaimed the following: > >> >>I do get the difference. I don't actually use Python 2. I use >>CodeSkulptor. I do have Python 3 installed. Actually I have Python 2 >>installed but IDLE defaults to Python 3. So it is a pain to actually >>load Python 2. >> > > So don't use Idle... Open up a Windows command shell and invoke Python >without giving a script file to execute. > >C:\Users\Wulfraed\Documents>python >ActivePython 2.7.5.6 (ActiveState Software Inc.) based on >Python 2.7.5 (default, Sep 16 2013, 23:11:01) [MSC v.1500 64 bit (AMD64)] >on win32 >Type "help", "copyright", "credits" or "license" for more information. >>>> exit() > >C:\Users\Wulfraed\Documents>python3 >ActivePython 3.3.2.0 (ActiveState Software Inc.) based on >Python 3.3.2 (default, Sep 16 2013, 23:11:39) [MSC v.1600 64 bit (AMD64)] >on win32 >Type "help", "copyright", "credits" or "license" for more information. >>>> exit() > >C:\Users\Wulfraed\Documents> > > Note that my default Python is still 2.7, but I also have Python 3.3 >installed, and can access it using "python3" (I can also ensure Python 2.7 >by using "python2") > > >> >>I tried list(range(10) I thought that would work in Python 3. It >>didn't. I spent quite a bit of time last night trying to come up with > > Really? what did it do? SHOW US! > >C:\Users\Wulfraed\Documents>python3 >ActivePython 3.3.2.0 (ActiveState Software Inc.) based on >Python 3.3.2 (default, Sep 16 2013, 23:11:39) [MSC v.1600 64 bit (AMD64)] >on win32 >Type "help", "copyright", "credits" or "license" for more information. >>>> list(range(10)) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> print(list(range(10))) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> repr(list(range(10))) >'[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]' >>>> > > Recall that "print" is a function in Python 3, so the extra layer of () >are required. > >C:\Users\Wulfraed\Documents>python >ActivePython 2.7.5.6 (ActiveState Software Inc.) based on >Python 2.7.5 (default, Sep 16 2013, 23:11:01) [MSC v.1500 64 bit (AMD64)] >on win32 >Type "help", "copyright", "credits" or "license" for more information. >>>> list(range(10)) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> print list(range(10)) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> print(list(range(10))) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> repr(list(range(10))) >'[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]' >>>> > > "Print" doesn't need the (), but they also don't hurt it in Python 2. >(still in Py2) > >>>> range(10) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> xrange(10) >xrange(10) >>>> print range(10) >[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>>> print xrange(10) >xrange(10) >>>> exit >Use exit() or Ctrl-Z plus Return to exit >>>> exit() > > Now Py3 > >C:\Users\Wulfraed\Documents>python3 >ActivePython 3.3.2.0 (ActiveState Software Inc.) based on >Python 3.3.2 (default, Sep 16 2013, 23:11:39) [MSC v.1600 64 bit (AMD64)] >on win32 >Type "help", "copyright", "credits" or "license" for more information. >>>> range(10) >range(0, 10) >>>> xrange(10) >Traceback (most recent call last): > File "<stdin>", line 1, in <module> >NameError: name 'xrange' is not defined >>>> print(range(10)) >range(0, 10) >>>> I am not working on that any more. I have my assignment for this week so I am done with busy work. Thanks for all your help -- https://mail.python.org/mailman/listinfo/python-list
