iteration doesn't seem to work ??

[half.italian at gmail.com]

On May 16, 1:41 am, stef <s.mien... at id.umcn.nl> wrote:
> hello,
>
> can someone tell me why the following iteration doesn't work,
> and
> how I should replace empty strings in a list with a default value.
>
>  >>> v
> ['123', '345', '', '0.3']
>  >>> for items in v:
> ...       if items=='':
> ...           items='3'
> ...
>  >>>
>  >>> v
> ['123', '345', '', '0.3']
>  >>>
>
> thanks,
> Stef Mientki

Inside the loop, 'items' is no longer referencing the list...its a
string.

>>> v = ['123', '4', '567', '']
>>> for i in v:
...     print type(i)
...
<type 'str'>...

This works

>>> for j,i in enumerate(v):
...     if i=='':
...             v[j] = '3'
...
>>> v
['123', '4', '567', '3']
>>>

~Sean