join dictionaries using keys from one & values
Devan L
devlai at gmail.com
Tue Dec 6 00:35:46 EST 2005
ProvoWallis wrote:
> Thanks so much. I never would have been able to figure this out on my
> own.
>
> def dictionary_join(one, two):
>
> dict2x = dict( ((dict2[k], k) for k in dict2.iterkeys()))
> dict3 = dict(((k, dict2x[v]) for k,v in dict1.iteritems()))
> print dict3
>
> dict1 = {1:'bbb', 2:'aaa', 3:'ccc'}
>
> dict2 = {'5.01':'bbb', '6.01':'ccc', '7.01':'aaa'}
>
> dictionary_join(dict1, dict2)
You might want to make a working function.
def join_dicts(d1,d2):
temp = dict(((d2[k], k) for k in d2.iterkeys()))
joined = dict(((k, temp[v]) for k,v in d1.iteritems()))
return joined
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