Skip to content
Navigation Menu
Sign in
Products
Platform
GitHub
Repository hosting, code review, and collaboration
Copilot
AI coding agent for tasks, projects, and automated work
Build & Ship
Actions
CI/CD and automation
Code Quality
Quality analysis, fixes, and enforcement
Codespaces
Cloud development environments
Secure
Code Security
Vulnerability detection and remediation
Secret Protection
Secret scanning and leak prevention
All Features
Developers
Learn
Documentation
Training
Certifications
Build
Build with Copilot
Customize Copilot
Integrations
Explore
Trending repos
GitHub Sponsors
Developer articles
Changelog
Changelog
Your source for the latest features, improvements, and fixes across GitHub products, all in one place.
Businesses
By Stage
Enterprises
Team
Startups
Nonprofits
By Industry
Healthcare
Financial services
Manufacturing
Government
See all industries
Evaluate GitHub
Why GitHub
Customer Stories
Business insights
Trust Center
Add-ons
GitHub Advanced Security
Enterprise-grade code security
Copilot for business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Resources
Learn & Connect
Documentation
Resource center
Blog
Events & webinars
Community Forum
Customer Stories
Integrations
Support
Customer support
Training
GitHub Status
Company
About
Partners
Changelog
GitHub Universe
GitHub Universe
The event for developers, by developers — talks, workshops, and what’s next for GitHub.
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
python
peps
Repository navigation
Code
Issues
20
(20)
Pull requests
41
(41)
Actions
Security and quality
Insights
More
items
PEP 851: Add list.discard()
- #5200
#5200
Merged
StanFromIreland
merged 3 commits into
python:main
python/peps:main
from
StanFromIreland:pep-851
StanFromIreland/peps:pep-851
Copy head branch name to clipboard
Oct 27, 2026
Conversation
Commits
3
(3)
Checks
Files changed
Merged
PEP 851: Add list.discard()
#5200
StanFromIreland
merged 3 commits into
python:main
python/peps:main
from
StanFromIreland:pep-851
StanFromIreland/peps:pep-851
Copy head branch name to clipboard
Commits
Commits on Oct 27, 2026
Add PEP 851
StanFromIreland
committed
1514264
View commit details
Copy full SHA for 1514264
Browse repository at this point
s/gaurantees/holds/
StanFromIreland
committed
28ac34c
View commit details
Copy full SHA for 28ac34c
Browse repository at this point
Address Hugo's review
Show description for 52d855d
StanFromIreland
and
hugovk
committed
52d855d
View commit details
Copy full SHA for 52d855d
Browse repository at this point
You can’t perform that action at this time.