2018-02-05 9:14 GMT+01:00 Ian Kelly <ian.g.ke...@gmail.com>: > On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman <fr...@chagford.com> wrote: >> 2. Is there a better way to do what I want? > > The dict.items() view is explicitly set-like and can be unioned, so > you can do this: > > py> dict(d1.items() | d2.items()) > > As to the question of which value will appear in the union in the case > of duplicate keys, it will be whichever one arbitrarily appears later > in the iteration order of the intermediate set.
Since Python 3.5, it is also possible to use PEP448 generalized unpacking: dict([*d1.items(), *d2.items()]) In which case the value that appears in case of duplicate keys is better defined, it will be the one appearing in the last dictionnary. -- https://mail.python.org/mailman/listinfo/python-list
