René's URL Explorer Experiment


Title: gh-138682: Add symmetric difference to Counter by rhettinger · Pull Request #138766 · python/cpython · GitHub

Open Graph Title: gh-138682: Add symmetric difference to Counter by rhettinger · Pull Request #138766 · python/cpython

X Title: gh-138682: Add symmetric difference to Counter by rhettinger · Pull Request #138766 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Issue: Add symmetric_difference to Counter #138682 📚 Documentation preview 📚: https://cpython-previews--138766.org.readthedocs.build/

X Description: Issue: Add symmetric_difference to Counter #138682 📚 Documentation preview 📚: https://cpython-previews--138766.org.readthedocs.build/

Opengraph URL: https://github.com/python/cpython/pull/138766

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:f9a52767-d51a-8d9a-5b43-9980a89ea37d
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idDC04:71C60:9FE5D5:D9E8E2:6A555657
html-safe-nonce5613b710370def4a4995bc6f86d31fc9f4c30c7f5de36ca67f37f6f8e74a2f90
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJEQzA0OjcxQzYwOjlGRTVENTpEOUU4RTI6NkE1NTU2NTciLCJ2aXNpdG9yX2lkIjoiNzY2MjkwODUwNDcyMjk4NjU4MyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac1b924ad254c041d309d8efb9c9e4342dbc378d71bfe56d81140b1c16f0b215a1
hovercard-subject-tagpull_request:2816490785
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/138766/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/1d35731591c1e58fba0b607eda4c4d11cb4fe19d5a8e038a5da0bd955d1ed426/python/cpython/pull/138766
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/1d35731591c1e58fba0b607eda4c4d11cb4fe19d5a8e038a5da0bd955d1ed426/python/cpython/pull/138766
og:image:altIssue: Add symmetric_difference to Counter #138682 📚 Documentation preview 📚: https://cpython-previews--138766.org.readthedocs.build/
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamerhettinger
hostnamegithub.com
expected-hostnamegithub.com
Noneb5665c84831ed9ac4fb79519c16c9c5580ba8092fb8bb6e3e72972ec7197348e
turbo-cache-controlno-cache
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release73595e82546ca2415571a2031890ab16ecb3001a
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/138766#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138766
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138766
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/138766
Reloadhttps://github.com/python/cpython/pull/138766
Reloadhttps://github.com/python/cpython/pull/138766
Please reload this pagehttps://github.com/python/cpython/pull/138766
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/138766
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
rhettingerhttps://github.com/rhettinger
python:mainhttps://github.com/python/cpython/tree/main
rhettinger:symdiffhttps://github.com/rhettinger/cpython/tree/symdiff
Conversationhttps://github.com/python/cpython/pull/138766
Commits9 (9)https://github.com/python/cpython/pull/138766/commits
Checkshttps://github.com/python/cpython/pull/138766/checks
Files changedhttps://github.com/python/cpython/pull/138766/files
gh-138682: Add symmetric difference to Counterhttps://github.com/python/cpython/pull/138766#top
rhettingerhttps://github.com/rhettinger
python:mainhttps://github.com/python/cpython/tree/main
rhettinger:symdiffhttps://github.com/rhettinger/cpython/tree/symdiff
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
Sep 10, 2025https://github.com/python/cpython/pull/138766#issue-3403545471
Please reload this pagehttps://github.com/python/cpython/pull/138766
Add symmetric_difference to Counter #138682https://github.com/python/cpython/issues/138682
https://cpython-previews--138766.org.readthedocs.build/https://cpython-previews--138766.org.readthedocs.build/
Please reload this pagehttps://github.com/python/cpython/pull/138766
https://github.com/rhettinger
pythongh-138682https://github.com/python/cpython/issues/138682
: Add symmetric difference to Counterhttps://github.com/python/cpython/pull/138766/commits/22a28b91792ad7a50eae363c8d8dc2beefb42ba4
22a28b9https://github.com/python/cpython/pull/138766/commits/22a28b91792ad7a50eae363c8d8dc2beefb42ba4
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
Sep 10, 2025https://github.com/python/cpython/pull/138766#event-19619478379
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
AA-Turnerhttps://github.com/AA-Turner
code ownerhttps://github.com/python/cpython/blob/d0c9943869bb143df445229444224930330ac0f3/.github/CODEOWNERS#L110
September 10, 2025 18:43https://github.com/python/cpython/pull/138766#event-19619478589
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
type-feature https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-feature
3.15 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A3.15
Sep 10, 2025https://github.com/python/cpython/pull/138766#event-19619478745
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
Sep 10, 2025https://github.com/python/cpython/pull/138766#event-19619479713
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Sep 10, 2025 https://github.com/python/cpython/pull/138766#ref-issue-3395509033
Add symmetric_difference to Counter #138682 https://github.com/python/cpython/issues/138682
https://github.com/rhettinger
No reference targethttps://github.com/python/cpython/pull/138766/commits/4eaf601d072f28c92bff065e4e0c58981be85f2b
4eaf601https://github.com/python/cpython/pull/138766/commits/4eaf601d072f28c92bff065e4e0c58981be85f2b
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Sep 10, 2025https://github.com/python/cpython/pull/138766#event-19619865150
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Sep 10, 2025 https://github.com/python/cpython/pull/138766#pullrequestreview-3207719565
View reviewed changes https://github.com/python/cpython/pull/138766/files/4eaf601d072f28c92bff065e4e0c58981be85f2b
Doc/library/collections.rsthttps://github.com/python/cpython/pull/138766/files/4eaf601d072f28c92bff065e4e0c58981be85f2b#diff-5251b40283a63a061147a0ae32017c629d88a95d1c363d4e47f37b7969a4b0e3
Please reload this pagehttps://github.com/python/cpython/pull/138766
Doc/whatsnew/3.15.rsthttps://github.com/python/cpython/pull/138766/files/4eaf601d072f28c92bff065e4e0c58981be85f2b#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
Please reload this pagehttps://github.com/python/cpython/pull/138766
Misc/NEWS.d/next/Library/2025-09-10-13-32-25.gh-issue-138682.iExqx1.rsthttps://github.com/python/cpython/pull/138766/files/4eaf601d072f28c92bff065e4e0c58981be85f2b#diff-cb8bc9931fe2d3a65f830ed5a260fe6cba27332b682f353153f0f041f6d28b33
Please reload this pagehttps://github.com/python/cpython/pull/138766
rhettingerhttps://github.com/rhettinger
September 24, 2025 07:58https://github.com/python/cpython/pull/138766#commits-pushed-c6cd67c
https://github.com/rhettinger
https://github.com/picnixz
Update Misc/NEWS.d/next/Library/2025-09-10-13-32-25.gh-issue-138682.i…https://github.com/python/cpython/pull/138766/commits/c6cd67ce29abb9b610916cb31fc9df2a81edd48b
c6cd67chttps://github.com/python/cpython/pull/138766/commits/c6cd67ce29abb9b610916cb31fc9df2a81edd48b
https://github.com/rhettinger
https://github.com/picnixz
Update Doc/library/collections.rsthttps://github.com/python/cpython/pull/138766/commits/5470a58e55e5d2dd59397b335c6f46a73ef5dbb0
5470a58https://github.com/python/cpython/pull/138766/commits/5470a58e55e5d2dd59397b335c6f46a73ef5dbb0
https://github.com/rhettinger
https://github.com/picnixz
Update Doc/whatsnew/3.15.rsthttps://github.com/python/cpython/pull/138766/commits/984fa567de1a20c5b6ddda7a10129a9f173ed194
984fa56https://github.com/python/cpython/pull/138766/commits/984fa567de1a20c5b6ddda7a10129a9f173ed194
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Sep 24, 2025 https://github.com/python/cpython/pull/138766#pullrequestreview-3262850923
View reviewed changes https://github.com/python/cpython/pull/138766/files/984fa567de1a20c5b6ddda7a10129a9f173ed194
Lib/collections/__init__.pyhttps://github.com/python/cpython/pull/138766/files/984fa567de1a20c5b6ddda7a10129a9f173ed194#diff-c92f871cb9b4aa1583c89f82cd416d58a5d70fff41faf41e45dedf775dbe7713
Please reload this pagehttps://github.com/python/cpython/pull/138766
Lib/test/test_collections.pyhttps://github.com/python/cpython/pull/138766/files/984fa567de1a20c5b6ddda7a10129a9f173ed194#diff-a2a882635e20e8e9439f090d33513502a7af648286efebfa4e4bc37270c44784
Please reload this pagehttps://github.com/python/cpython/pull/138766
rhettingerhttps://github.com/rhettinger
September 24, 2025 10:13https://github.com/python/cpython/pull/138766#commits-pushed-2945c9b
https://github.com/rhettinger
https://github.com/picnixz
Update Lib/test/test_collections.pyhttps://github.com/python/cpython/pull/138766/commits/2945c9b4f49d2a2db75138cb91479f3ccf6e3540
2945c9bhttps://github.com/python/cpython/pull/138766/commits/2945c9b4f49d2a2db75138cb91479f3ccf6e3540
https://github.com/rhettinger
https://github.com/picnixz
Update Lib/collections/__init__.pyhttps://github.com/python/cpython/pull/138766/commits/2255af31462559e94e47b1094113cf7b3aa1aae1
2255af3https://github.com/python/cpython/pull/138766/commits/2255af31462559e94e47b1094113cf7b3aa1aae1
https://github.com/rhettinger
Merge branch 'main' into symdiffhttps://github.com/python/cpython/pull/138766/commits/85979afb2244d90a1f4970e325239c41dde0508f
85979afhttps://github.com/python/cpython/pull/138766/commits/85979afb2244d90a1f4970e325239c41dde0508f
https://github.com/rhettinger
.https://github.com/python/cpython/pull/138766/commits/19377487a52a27245f7ed3dacdcd5fd89390ddaa
1937748https://github.com/python/cpython/pull/138766/commits/19377487a52a27245f7ed3dacdcd5fd89390ddaa
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
7909b30https://github.com/python/cpython/commit/7909b304931ddbded5140985fc51999f4b0c7e42
Sep 26, 2025https://github.com/python/cpython/pull/138766#event-19933965247
Please reload this pagehttps://github.com/python/cpython/pull/138766
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Sep 26, 2025https://github.com/python/cpython/pull/138766#event-19933965718
https://github.com/rhettinger
rhettingerhttps://github.com/rhettinger
September 26, 2025 05:04https://github.com/python/cpython/pull/138766#event-19933965932
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138766
https://github.com/picnixz
picnixz https://github.com/picnixz
https://github.com/python/cpython/pull/138766/files/984fa567de1a20c5b6ddda7a10129a9f173ed194
https://github.com/AA-Turner
AA-Turner https://github.com/AA-Turner
https://github.com/rhettinger
rhettinger https://github.com/rhettinger
3.15 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A3.15
type-feature https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-feature
Please reload this pagehttps://github.com/python/cpython/pull/138766
https://github.com/rhettinger
https://github.com/picnixz
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.