Re: Yet another Python textbook
On 11/20/2012 3:02 AM, Pavel Solin wrote:
> previous page that Python 3 was released in 2008. Is there any work
> underway get Python 3 into NCLab?
> There is an ongoing discussion but we are not sure.
> Are there any reasons except for the print () command
> and division of integers?
(In addition to Ian's answer, which points to an already long list of
There are two separate questions.
First, which versions of Python should NCLab support? I would say both
2.7 and 3.x+. Since Py3 support does not exist now, starting with 3.3+
might work best.
Second, if NCLab supported both, which to teach in the book? I would say
3.3+. Python 3 has many improvements from a teaching standpoint.
For instance, old-style classes are gone, so class statements produce
modern-style classes by default. You can just say that the headers
have the same effect and never mention that there was once a separate
Py 3 used unicode for text, and 3.3 now has a correct and portable
unicode implementation. While non-ascii and even non-latin1 characters
are not needed for interfacing with ascii-only instruments, scientific
text uses lots of them.
> Perhaps you are right. Is there any statistics of how many Python
> programmers are using 2.7 vs. 3? Most of people I know use 2.7.
Experienced Python programmers are not the target of your book. Many
school/university classes have moved to Py3, and more will in the future.
Many people who want to move to Py3 cannot because they *have to use* a
Terry Jan Reedy
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