Sorting things into bins

[Sean 'Shaleh' Perry]

On 13-Dec-2001 Sue Giller wrote:
> Jason,
> 
> While I was hoping to not have to iterate thru the list, this recipe is 
> fine for my needs.  I also learned about the .setdefault method - 
> thanks!
> 

def sorter(bins, item):
        bin = item[-2:]
        bins.setdefault(bin, []).append(item)

mylist = ['0102', '0302', '1242']
mybins = {}
map(lambda x: sorter(mybins, x), mylist)
print mybins