[Baypiggies] nested list to dict question

[Fred C]

y = {}
for k, v in x:
   y.setdefault(k, []).append(v)

On Dec 28, 2010, at 7:51 AM, Vikram K wrote:

> I have a nested list which looks something like this:
> 
> x = [['104', '4501919'], ['104', '237681091'], ['104', '7669477'], ['100528064', '315259111']]
> 
> I wish to convert this to a dict type which looks something like this:
> 
> y = {'104': ['4501919', '237681091', '7669477'], '100528064': ['315259111']}
> 
> Please help!
> 
> Thanks
> Vikram
> 
> 
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Fred C.
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