Odd list behavior
norseman at hughes.net
Thu May 14 18:49:33 CEST 2009
Rhodri James wrote:
> On Wed, 13 May 2009 23:08:26 +0100, norseman <norseman at hughes.net> wrote:
>> Evan Kroske wrote:
>>> I'm working on a simple file processing utility, and I encountered a
>>> weird error. If I try to get the first element of a list I'm
>>> splitting from a string, I get an error:
>>> key = string.split()
>>> However, I can slice the list like normal, but that gives me a
>>> one-element-long list:
>>> key = string.split()[:1]
>>> Finally, the operation works perfectly if I initialize the list
>>> list = string.split()
>>> key = list
>>> Why does this happen?
>> Take a look at the split() command.
>> I think you will find you need one var on the left side for each piece
>> on the right.
> Given that he's immediately indexing the split results, that's irrelevant.
> There's no point in even guessing with out the traceback.
"...the first element of a list..."
"key = string.split()"
if the list is a list of tuples the error message is correct.
same for a list of key:value pairs
he will need one var on left for each piece of 
k,v= list.split(key:value) ??!!
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