Hi, Did you try the list.update() builtin function ?
Regards Peter Otten a écrit : > Alfons Nonell-Canals wrote: > >> I have different sets/dictionaries/lists (whatever you want because I >> can convert them easily) and I would like to combine them. I don't want >> a consensus and something like it. I'd need to combine all elements of >> the first one with the all elements of the second one and third,... the >> numbers of dictionaries/sets/lists is variable as the number of elements >> for each one. >> >> For example, i have the following sets and I would like to obtain all >> possible combinations... >> >> ['I', 'O', 'N', 'P', 'S', 'C'] >> ['I', 'O', 'N', 'P', 'S', 'C'] >> ['I', 'O', 'N', 'P', 'S', 'C'] >> ['I', 'N', 'P', 'S', 'C'] >> ['I', 'N', 'P', 'S', 'C'] >> ['F', 'I', 'L', 'O', 'N', 'P', 'S', 'R', 'C'] >> ['I', 'O', 'N', 'P', 'S', 'C'] >> ['I', 'O', 'N', 'P', 'S', 'C'] >> ['F', 'I', 'L', 'O', 'N', 'P', 'S', 'R', 'C'] >> >> And it should be flexible because as I've said, the number of >> dictionaries/lists/sets is not always the same, as the number of elements. >> >> I don't like to ask this kid of questions but... today I'm totally lost >> and I need it to close one part of a nice project... > > Using one common definition of "combinations": > >>>> from pprint import pprint >>>> pprint(items) > [['I', 'O', 'N', 'P', 'S', 'C'], > ['I', 'O', 'N', 'P', 'S', 'C'], > ['I', 'O', 'N', 'P', 'S', 'C'], > ['I', 'N', 'P', 'S', 'C'], > ['I', 'N', 'P', 'S', 'C'], > ['F', 'I', 'L', 'O', 'N', 'P', 'S', 'R', 'C'], > ['I', 'O', 'N', 'P', 'S', 'C'], > ['I', 'O', 'N', 'P', 'S', 'C'], > ['F', 'I', 'L', 'O', 'N', 'P', 'S', 'R', 'C']] >>>> import itertools >>>> for c in itertools.combinations(items, 2): > ... print c > ... > (['I', 'O', 'N', 'P', 'S', 'C'], ['I', 'O', 'N', 'P', 'S', 'C']) > (['I', 'O', 'N', 'P', 'S', 'C'], ['I', 'O', 'N', 'P', 'S', 'C']) > (['I', 'O', 'N', 'P', 'S', 'C'], ['I', 'N', 'P', 'S', 'C']) > (['I', 'O', 'N', 'P', 'S', 'C'], ['I', 'N', 'P', 'S', 'C']) > <snip> > > If you mean something else (likely) please give a more detailed description > or provide some examples with both input and desired output. > > Peter > -- http://mail.python.org/mailman/listinfo/python-list
