Ian Kelly wrote:
On Fri, May 6, 2011 at 4:49 PM, Ethan Furman wrote:
Anybody care to chime in with their usage of this construct?
You should start with PEP 3106. The main idea is that dict.keys() and
dict.items() can be treated as frozensets, while still being more
lightweight than lists. Th
Am 07.05.2011 11:09, schrieb Gregory Ewing:
Ethan Furman wrote:
Ian Kelly wrote:
next(iter(myDict.items()))
Which is becoming less elegant.
If you're doing this sort of thing a lot you can make
a little helper function:
def first(x):
return next(iter(x))
then you get to say
first(myDict
Ethan Furman wrote:
Ian Kelly wrote:
next(iter(myDict.items()))
Which is becoming less elegant.
If you're doing this sort of thing a lot you can make
a little helper function:
def first(x):
return next(iter(x))
then you get to say
first(myDict.items())
--
Greg
--
http://mail.pyt
On Fri, May 6, 2011 at 4:49 PM, Ethan Furman wrote:
> Ian Kelly wrote:
>>
>> On Fri, May 6, 2011 at 1:57 PM, dmitrey wrote:
>>>
>>> Unfortunately, it doesn't work, it turn out to be dict_items:
>>
>> next({1:2}.items())
>>>
>>> Traceback (most recent call last):
>>> File "", line 1, in
Ian Kelly wrote:
On Fri, May 6, 2011 at 1:57 PM, dmitrey wrote:
Unfortunately, it doesn't work, it turn out to be dict_items:
next({1:2}.items())
Traceback (most recent call last):
File "", line 1, in
TypeError: dict_items object is not an iterator
So call iter() on it first:
next(iter(m
