Simple list question
Stefan Axelsson
sax at csmisc72.cs.chalmers.se
Fri Jan 30 11:36:15 EST 2004
In article <mailman.1047.1075478440.12720.python-list at python.org>, Dave Brueck wrote:
> How about:
>
>>>> nod = ['1','+','2']
>>>> for i in range(len(nod)):
> ... try:
> ... nod[i] = float(nod[i])
> ... except ValueError: pass
> ...
>>>> nod
> [1.0, '+', 2.0]
Perhaps minor style issue; I'd use 'map' (even though Guido isn't
crazy about it), or perhaps a list comprehension.
Like so:
>>> def tofloat(x):
... try:
... return float(x)
... except ValueError: return x
...
>>> map(tofloat, nod)
[1.0, '+', 2.0]
Stefan,
--
Stefan Axelsson (email at http://www.cs.chalmers.se/~sax)
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