On Tue, 20 Oct 2009 11:08:00 -0700, TerryP wrote:
> On Oct 20, 4:30 pm, Nobody wrote:
>> One language's "eval" isn't the same as another's. E.g. there's a big
>> difference between Lisp's "eval" (which takes an s-expression as an
>> argument) and an "eval" which takes a string as an argument.
>>
On Oct 20, 4:30 pm, Nobody wrote:
> One language's "eval" isn't the same as another's. E.g. there's a big
> difference between Lisp's "eval" (which takes an s-expression as an
> argument) and an "eval" which takes a string as an argument.
>
> The former is fine; the latter should be prohibited by
On Wed, 14 Oct 2009 23:48:11 +0200, Kazimir Majorinc wrote:
>> (note: exec in python is more in spirit of eval then C-style exec
>> functions)
>
> I thought about that, but decided not to ask about it
> in poll, because I wanted to compare opinions on eval
> specifically, not on all similar featu
On Oct 14, 9:48 pm, Kazimir Majorinc wrote:
> Do you think
> it would be better if I asked that? That result would
> be significantly different?
>
Not really. The eval, exec, and compile builtins are more or less
related and serve similar purposes, but don't seem to be highly used
in Python. Ther
On 14.10.2009 17:55, TerryP wrote:
And what about exec?
(note: exec in python is more in spirit of eval then C-style exec
functions)
I thought about that, but decided not to ask about it
in poll, because I wanted to compare opinions on eval
specifically, not on all similar features. Do you t
THE RESULTS OF THE POLLS
. Lisp Python Ruby
Eval is evil,
harmful or at
least unnecessary 2 (4.9%) 7 (21.9%) 0 (0.0%)
--
Eval is useful
but ov
On 10.10.2009 5:03, Kazimir Majorinc wrote:
I am Lisp programmer and I write an article on issues
as macros, fexprs and eval. I want to compare opinions
of programmers of various programming languages on eval.
If you want to contribute your opinion on eval in Python
(or you want to look at
I am Lisp programmer and I write an article on issues
as macros, fexprs and eval. I want to compare opinions
of programmers of various programming languages on eval.
If you want to contribute your opinion on eval in Python
(or you want to look at result), the adress is:
http
"Xah Lee" schrieb
>
> perhaps i'm tired, but why can't i run:
>
> t='m=3'
> print eval(t)
>
Perhaps you didn't read the documentation? :-)
Perhaps you didn't try hard enough?
C:\WINNT>c:\programme\python\python
Python 2.4 (#60, Nov 30 2004, 11:49:19) [MSC v.1310 32 bit (Intel)]
on win32
Type "hel
harold fellermann wrote:
> >>> s="print 'hello Xah Lee :-)'"
> >>> exec(s)
> hello Xah Lee :-)
Note that because "exec" is a statement, the parentheses above are
superfluous.
--
Benji York
--
http://mail.python.org/mailman/listinfo/python-list
On Tue, Jun 21, 2005 at 08:13:47AM -0400, Peter Hansen wrote:
> Xah Lee wrote:
> > the doc seems to suggest that eval is only for expressions... it says
> > uses exec for statements, but i don't seem to see a exec function?
>
> Because it's a statement: http://docs.python.org/ref/exec.html#l2h-563
Xah Lee wrote:
> the doc seems to suggest that eval is only for expressions... it says
> uses exec for statements, but i don't seem to see a exec function?
Because it's a statement: http://docs.python.org/ref/exec.html#l2h-563
--
http://mail.python.org/mailman/listinfo/python-list
> the doc seems to suggest that eval is only for expressions... it says
> uses exec for statements, but i don't seem to see a exec function?
Python 2.4 (#1, Dec 30 2004, 08:00:10)
[GCC 3.3 20030304 (Apple Computer, Inc. build 1495)] on darwin
Type "help", "copyright", "credits" or "license" for mo
is it possible to eval a string like the following?
m='''
i0=[0,1]
i1=[2,3]
i2=[4,'a']
h0=[]
for j0 in i0:
h1=[]
for j1 in i1:
h2=[]
for j2 in i2:
h2.append(f(j0,j1,j2))
h1.append( h2[:] )
h0.append( h1[:] )
return h0'''
perhaps i'm tired, but why can't i run:
t='m=3'
pr
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