Pythonian string manipulation.

[Emile van Sebille]

Also, using slices:

>>> s = 'hello, world'
>>> l = s.find(', ')
>>> s = s[l+2:] + s[l:l+2] + s[:l]
>>> s
'world, hello'

--

Emile van Sebille
emile at fenx.com
-------------------


<johnvert at my-deja.com> wrote in message
news:937if5$r9q$1 at nnrp1.deja.com...
> Hi,
>
> I was playing around with slices in Python (is that the
correct term?)
> and I tried, in order to switch the words `hello,' and
`world', to do:
>
> s = 'hello, world'
> l = s.find(',')
> s[0:l] = s[l + 1:]
>
> which in theory would seem to work, but I get the error:
>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> TypeError: object doesn't support slice assignment
>
> my two questions are: why isn't this allowed, and what is
the Pythonian
> way of doing this?
>
> Thanks,
>  -- John
>
>
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