You should define the function first and then call it.
def something(i):
return i
a = something(5)
If you want a reference to the function somewhere else you can do this:
global alias = something
print alias(i)
On Tue, Jun 12, 2012 at 1:53 PM, Julio Sergio <julioser...@gmail.com> wrote:
> I'm puzzled with the following example, which is intended to be a part of a
> module, say "tst.py":
>
> a = something(5)
>
> def something(i):
> return i
>
>
>
> When I try:
>
> ->>> import tst
>
> The interpreter cries out:
>
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "tst.py", line 11, in <module>
> a = something(5)
> NameError: name 'something' is not defined
>
> I know that changing the order of the definitions will work, however there
> are
> situations in which referring to an identifier before it is defined is
> necessary, e.g., in crossed recursion.
>
> So I modified my module:
>
> global something
>
> a = something(5)
>
>
> def something(i):
> return i
>
>
> And this was the answer I got from the interpreter:
>
> ->>> import tst
>
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "tst.py", line 12, in <module>
> a = something(5)
> NameError: global name 'something' is not defined
>
>
> Do you have any comments?
>
> Thanks,
>
> --Sergio.
>
>
>
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>
--
http://mail.python.org/mailman/listinfo/python-list
