Hi Folks
I am studing yet (with fever, grasp and headache).
I know I can do better, but first I should learn more about
"dictionary comprehension syntax" in python 2.65
>>> dict1 = {'ab':[[1,2,3,'d3','d4',5],12],'ac':[[1,3,'78a','79b'],54],'ad':
>>> [[56,57,58,59],34], 'ax': [[56,57,58,59],34]}
>>> dict2 =
>>> {'ab':[[22,2,'a0','42s','c4','d3'],12],'ab':[[2,4,50,42,'c4'],12],'ac':[[1,3,'79b',45,65,'er4'],54],'ae':
>>> [[56,57,58,59],34],'ax':[[9],34]}
>>>
>>> # Arnaud Delobelle
... def intersectList(iterables):
... nexts = [iter(iterable).next for iterable in iterables]
... v = [next() for next in nexts]
... while True:
... for i in xrange(1, len(v)):
... while v[0] > v[i]:
... v[i] = nexts[i]()
... if v[0] < v[i]: break
... else:
... yield v[0]
... v[0] = nexts[0]()
...
>>> def intersect(s1, s2):
... d = {}
... e = {}
... r1 = filter(s1.has_key, s2.keys())
... for x in r1:
... d[x] = list(intersectList([s1[x][0],s2[x][0]]))
... if len(d[x]) > 0:
... e[x] = d[x]
... return e
...
>>> intersect(dict1,dict2)
{'ac': [1, 3, '79b'], 'ab': [2]}
>>>
Best Regards
Mario
On 10 nov, 07:51, Paul Rudin <paul.nos...@rudin.co.uk> wrote:
> Lawrence D'Oliveiro <l...@geek-central.gen.new_zealand> writes:
> > In message <mailman.787.1289336127.2218.python-l...@python.org>, Terry Reedy
> > wrote:
>
> >> To echo John Nagle's point, if you want non-masochist volunteers to read
> >> your code, write something readable like:
>
> >> dict1 = {'ab': [[1,2,3,'d3','d4',5], 12],
> >> 'ac': [[1,3,'78a','79b'], 54],
> >> 'ad': [[56,57,58,59], 34],
> >> 'ax': [[56,57,58,59], 34]}
>
> > How come Python itself doesn’t display things that way?
>
> try: pprint.pprint(dict1)
--
http://mail.python.org/mailman/listinfo/python-list
