Here is my code:
listing = {'id': ['a', 'b', 'c'], 'name': ['Joe', 'Jane', 'Bob']}
I need to output:
id name
a Joe
b Jane
c Bob
I could do:
print 'id', 'name'
for id, name in zip(listing['id'], listing['name']): print id, name
but that only works if there are two entries in the dictionary, id and
name, and I know what they are. My problem is I don't know how many of
these entries there will be. Thanks for any help you can give! 4 1980
On Apr 18, 7:39 pm, wswilson <wswil...@gmail.comwrote:
Here is my code:
listing = {'id': ['a', 'b', 'c'], 'name': ['Joe', 'Jane', 'Bob']}
I need to output:
id name
a Joe
b Jane
c Bob
I could do:
print 'id', 'name'
for id, name in zip(listing['id'], listing['name']): print id, name
but that only works if there are two entries in the dictionary, id and
name, and I know what they are. My problem is I don't know how many of
these entries there will be. Thanks for any help you can give!
You can use zip(*sequence_of_sequences)
eg zip(*[[1,2,3],[4,5,6]) returns [[1,4], [2,5], [3,6]]
(You can think of it as a transposition function)
For example:
keys, item_lists = zip(*listing.iteritems())
print " ".join(keys)
for items in zip(*item_lists):
print " ".join(items)
would work.
HTH
--
Arnaud
wswilson wrote:
Here is my code:
listing = {'id': ['a', 'b', 'c'], 'name': ['Joe', 'Jane', 'Bob']}
I need to output:
id name
a Joe
b Jane
c Bob
I could do:
print 'id', 'name'
for id, name in zip(listing['id'], listing['name']): print id, name
but that only works if there are two entries in the dictionary, id and
name, and I know what they are. My problem is I don't know how many of
these entries there will be. Thanks for any help you can give!
>>listing = {'id': ['a', 'b', 'c'], 'name': ['Joe', 'Jane', 'Bob']} for (id, name) in zip(listing['id'], listing['name']):
... print id, name
...
a Joe
b Jane
c Bob
>>>
regards
Steve
--
Steve Holden +44 150 684 7255 +1 800 494 3119
Holden Web LLC/Ltd http://www.holdenweb.com
Skype: holdenweb http://del.icio.us/steve.holden
Recent Ramblings http://holdenweb.blogspot.com
On Apr 18, 2:54 pm, Arnaud Delobelle <arno...@googlemail.comwrote:
On Apr 18, 7:39 pm, wswilson <wswil...@gmail.comwrote:
Here is my code:
listing = {'id': ['a', 'b', 'c'], 'name': ['Joe', 'Jane', 'Bob']}
I need to output:
id name
a Joe
b Jane
c Bob
I could do:
print 'id', 'name'
for id, name in zip(listing['id'], listing['name']): print id, name
but that only works if there are two entries in the dictionary, id and
name, and I know what they are. My problem is I don't know how many of
these entries there will be. Thanks for any help you can give!
You can use zip(*sequence_of_sequences)
eg zip(*[[1,2,3],[4,5,6]) returns [[1,4], [2,5], [3,6]]
(You can think of it as a transposition function)
For example:
keys, item_lists = zip(*listing.iteritems())
print " ".join(keys)
for items in zip(*item_lists):
print " ".join(items)
would work.
HTH
--
Arnaud
That works perfectly. Thanks so much.
wswilson a écrit :
Here is my code:
listing = {'id': ['a', 'b', 'c'], 'name': ['Joe', 'Jane', 'Bob']}
I need to output:
id name
a Joe
b Jane
c Bob
I could do:
print 'id', 'name'
for id, name in zip(listing['id'], listing['name']): print id, name
but that only works if there are two entries in the dictionary, id and
name, and I know what they are. My problem is I don't know how many of
these entries there will be. Thanks for any help you can give!
The most simple and generic I see, it could be even more simple if you
don't care of memory usage :
Let's fill a random dict :
In [118]: d=dict(zip((str(e) for e in xrange(10)), ([i**e for e in
xrange(5)] for i in xrange(10))))
In [119]: d
Out[119]:
{'0': [1, 0, 0, 0, 0],
'1': [1, 1, 1, 1, 1],
'2': [1, 2, 4, 8, 16],
'3': [1, 3, 9, 27, 81],
'4': [1, 4, 16, 64, 256],
'5': [1, 5, 25, 125, 625],
'6': [1, 6, 36, 216, 1296],
'7': [1, 7, 49, 343, 2401],
'8': [1, 8, 64, 512, 4096],
'9': [1, 9, 81, 729, 6561]}
go on :
In [146]: sorted_keys = tuple(sorted(d.keys()))
In [147]: from itertools import izip, chain
In [148]: sorted_keys = tuple(sorted(d.keys()))
In [149]: sorted_values = ( d[k] for k in sorted_keys )
In [150]: for vals in chain([sorted_keys], izip(*sorted_values)) :
.....: print '%5s'*len(d) % vals
.....:
.....:
0 1 2 3 4 5 6 7 8 9
1 1 1 1 1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9
0 1 4 9 16 25 36 49 64 81
0 1 8 27 64 125 216 343 512 729
0 1 16 81 256 625 1296 2401 4096 6561
--
_____________
Maric Michaud
_____________
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Tel: +33 4 26 88 00 97
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