You can use keyword-argument unpacking in a dict-constructor.
Values of duplicate keys are overwritten from left to right. The last wins.
>>> dict1 = {'foo': 13, 'bar': 42}
>>> dict2 = {'foo': 42, 'hello': 'world'}
>>> {**dict1, **dict2}
{'bar': 42, 'foo': 42, 'hello': 'world'}
{**dict2, **dict1
On Mon, 05 Feb 2018 01:14:53 -0700, Ian Kelly wrote:
> On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman
> wrote:
>> So I have 2 questions -
>>
>> 1. Is there any particular reason why '|' is not supported?
>
> '|' is the set union operation, roughly equivalent to the set.union
> method. Dicts don'
05.02.18 10:14, Ian Kelly пише:
On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman wrote:
So I have 2 questions -
1. Is there any particular reason why '|' is not supported?
'|' is the set union operation, roughly equivalent to the set.union
method. Dicts don't have a union operation. If they di
On 2/5/2018 2:35 AM, Frank Millman wrote:
I recently learned that you can create a set 'on-the-fly' from two
existing sets using the '|' operator -
Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64
bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license"
2018-02-05 9:14 GMT+01:00 Ian Kelly :
> On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman 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 wh
"Ian Kelly" wrote in message
news:calwzidkp3ls4s-zi3ax6no-68kw4_xdozvwa-cj+oz+apqr...@mail.gmail.com...
On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman wrote:
> So I have 2 questions -
>
> 1. Is there any particular reason why '|' is not supported?
'|' is the set union operation, roughly equiv
On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman wrote:
> So I have 2 questions -
>
> 1. Is there any particular reason why '|' is not supported?
'|' is the set union operation, roughly equivalent to the set.union
method. Dicts don't have a union operation. If they did, and the same
key were found
Hi all
I recently learned that you can create a set 'on-the-fly' from two existing
sets using the '|' operator -
Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit
(AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
set_1 = set