Created
August 2, 2012 13:06
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python groupby unsorted and loose the iterators
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| import itertools as it | |
| def sortandgroupby(data, **kwargs): | |
| return dict(map(lambda(k,v):(k,list(v)),it.groupby(sorted(data,kwargs),kwargs))) | |
| print sortandgroupby(range(30),lambda x:mod(x,3)) | |
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