René's URL Explorer Experiment

Title: History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython · GitHub

Open Graph Title: History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython

X Title: History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython

Description: Source Code for the Book Classic Computer Science Problems in Python - History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython

Open Graph Description: Source Code for the Book Classic Computer Science Problems in Python - History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython

X Description: Source Code for the Book Classic Computer Science Problems in Python - History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython

Opengraph URL: https://github.com/daming-lu/ClassicComputerScienceProblemsInPython

X: @github

direct link

Domain: github.com

route-pattern	/:user_id/:repository/commits(/*name)
route-controller	commits
route-action	show
fetch-nonce	v2:58fc93e8-9880-293e-4408-abbf486c6dee
current-catalog-service-hash	f3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id	AA84:2BA86C:503587:6C5F2C:6A5FCC53
html-safe-nonce	b4821ce896d7e52c9c1cc18c52f4da4c0037b35c48f1eca7fd5bd5a14edd750b
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBQTg0OjJCQTg2Qzo1MDM1ODc6NkM1RjJDOjZBNUZDQzUzIiwidmlzaXRvcl9pZCI6IjEwNDY0MzgxNzc1MTgxMTE4MjciLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac	d2c2c44174be364247eb6d92f0e6e6c03a0d6bc9561677cd310d3bcde592b8ae
hovercard-subject-tag	repository:759607594
github-keyboard-shortcuts	repository,commit-list,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	///commits/show
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits/master/Chapter4
twitter:image	https://opengraph.githubassets.com/b9bc2281848e7f331bd2ef79389dcc2cee5861d1447831de335cbaa000af66bc/daming-lu/ClassicComputerScienceProblemsInPython
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/b9bc2281848e7f331bd2ef79389dcc2cee5861d1447831de335cbaa000af66bc/daming-lu/ClassicComputerScienceProblemsInPython
og:image:alt	Source Code for the Book Classic Computer Science Problems in Python - History for Chapter4 - daming-lu/ClassicComputerScienceProblemsInPython
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
hostname	github.com
expected-hostname	github.com
None	53a28a7799cbf673993ab89fc44869fea4c4a6545a861a4d1445e83e8d03aabd
turbo-cache-control	no-cache
go-import	github.com/daming-lu/ClassicComputerScienceProblemsInPython git https://github.com/daming-lu/ClassicComputerScienceProblemsInPython.git
octolytics-dimension-user_id	5635322
octolytics-dimension-user_login	daming-lu
octolytics-dimension-repository_id	759607594
octolytics-dimension-repository_nwo	daming-lu/ClassicComputerScienceProblemsInPython
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	true
octolytics-dimension-repository_parent_id	135237512
octolytics-dimension-repository_parent_nwo	davecom/ClassicComputerScienceProblemsInPython
octolytics-dimension-repository_network_root_id	135237512
octolytics-dimension-repository_network_root_nwo	davecom/ClassicComputerScienceProblemsInPython
turbo-body-classes	logged-out env-production page-responsive
disable-turbo	false
browser-stats-url	https://api.github.com/_private/browser/stats
browser-errors-url	https://api.github.com/_private/browser/errors
release	dc08399f879d576f0edbb8c52a0a1a30d498b203
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits/master/Chapter4#start-of-content
	https://github.com/
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fdaming-lu%2FClassicComputerScienceProblemsInPython%2Fcommits%2Fmaster%2FChapter4
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub Copilot appDirect agents from issue to merge	https://github.com/features/ai/github-app
MCP RegistryNewIntegrate external tools	https://github.com/mcp
ActionsAutomate any workflow	https://github.com/features/actions
CodespacesInstant dev environments	https://github.com/features/codespaces
IssuesPlan and track work	https://github.com/features/issues
Code ReviewManage code changes	https://github.com/features/code-review
Code QualityEnforce quality at merge	https://github.com/features/code-quality
GitHub Advanced SecurityFind and fix vulnerabilities	https://github.com/security/advanced-security
Code securitySecure your code as you build	https://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they start	https://github.com/security/advanced-security/secret-protection
Why GitHub	https://github.com/why-github
Documentation	https://docs.github.com
Blog	https://github.blog
Changelog	https://github.blog/changelog
Marketplace	https://github.com/marketplace
View all features	https://github.com/features
Enterprises	https://github.com/enterprise
Small and medium teams	https://github.com/team
Startups	https://github.com/enterprise/startups
Nonprofits	https://github.com/solutions/industry/nonprofits
App Modernization	https://github.com/solutions/use-case/app-modernization
DevSecOps	https://github.com/solutions/use-case/devsecops
DevOps	https://github.com/solutions/use-case/devops
CI/CD	https://github.com/solutions/use-case/ci-cd
View all use cases	https://github.com/solutions/use-case
Healthcare	https://github.com/solutions/industry/healthcare
Financial services	https://github.com/solutions/industry/financial-services
Manufacturing	https://github.com/solutions/industry/manufacturing
Government	https://github.com/solutions/industry/government
View all industries	https://github.com/solutions/industry
View all solutions	https://github.com/solutions
AI	https://github.com/resources/articles?topic=ai
Software Development	https://github.com/resources/articles?topic=software-development
DevOps	https://github.com/resources/articles?topic=devops
Security	https://github.com/resources/articles?topic=security
View all topics	https://github.com/resources/articles
Customer stories	https://github.com/customer-stories
Events & webinars	https://github.com/resources/events
Ebooks & reports	https://github.com/resources/whitepapers
Business insights	https://github.com/solutions/executive-insights
GitHub Skills	https://skills.github.com
Documentation	https://docs.github.com
Customer support	https://support.github.com
Community forum	https://github.com/orgs/community/discussions
Trust center	https://github.com/trust-center
Partners	https://github.com/partners
View all resources	https://github.com/resources
GitHub SponsorsFund open source developers	https://github.com/open-source/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/open-source/accelerator
GitHub Stars	https://stars.github.com
Archive Program	https://archiveprogram.github.com
Topics	https://github.com/topics
Trending	https://github.com/trending
Collections	https://github.com/collections
Enterprise platformAI-powered developer platform	https://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security features	https://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI features	https://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 support	https://github.com/enterprise/premium-support
Pricing	https://github.com/pricing
Search syntax tips	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentation	https://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%2Fdaming-lu%2FClassicComputerScienceProblemsInPython%2Fcommits%2Fmaster%2FChapter4
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%2Fcommits%2Fshow&source=header-repo&source_repo=daming-lu%2FClassicComputerScienceProblemsInPython
Reload	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits/master/Chapter4
Reload	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits/master/Chapter4
Reload	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits/master/Chapter4
daming-lu	https://github.com/daming-lu
ClassicComputerScienceProblemsInPython	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython
davecom/ClassicComputerScienceProblemsInPython	https://github.com/davecom/ClassicComputerScienceProblemsInPython
Notifications	https://github.com/login?return_to=%2Fdaming-lu%2FClassicComputerScienceProblemsInPython
Fork 0	https://github.com/login?return_to=%2Fdaming-lu%2FClassicComputerScienceProblemsInPython
Star 0	https://github.com/login?return_to=%2Fdaming-lu%2FClassicComputerScienceProblemsInPython
Code	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython
Pull requests 0	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/pulls
Actions	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/actions
Projects	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/projects
Security and quality 0	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/security
Insights	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/pulse
Code	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython
Pull requests	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/pulls
Actions	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/actions
Projects	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/projects
Security and quality	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/security
Insights	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/pulse
ClassicComputerScienceProblemsInPython	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits
Chapter4	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits/master/Chapter4
master	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/master
adjust type annotation	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/742bc9d34f2332e28d2c0b8c8c24b3efcc9599ad
	https://github.com/SuperManEver
SuperManEver	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits?author=SuperManEver
742bc9d	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/742bc9d34f2332e28d2c0b8c8c24b3efcc9599ad
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/blob/742bc9d34f2332e28d2c0b8c8c24b3efcc9599ad/Chapter4
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/742bc9d34f2332e28d2c0b8c8c24b3efcc9599ad
cleaned up some comments; added a missing annotation	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/61b5864b1cda69b3095d6a5dae362be797acedfe
	https://github.com/davecom
davecom	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits?author=davecom
61b5864	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/61b5864b1cda69b3095d6a5dae362be797acedfe
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/blob/61b5864b1cda69b3095d6a5dae362be797acedfe/Chapter4
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/61b5864b1cda69b3095d6a5dae362be797acedfe
Removed unnecessary import of Optional	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/bec011a8d14bccfc9ef04dd7dc7793c89ccccb99
	https://github.com/davecom
davecom	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits?author=davecom
bec011a	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/bec011a8d14bccfc9ef04dd7dc7793c89ccccb99
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/blob/bec011a8d14bccfc9ef04dd7dc7793c89ccccb99/Chapter4
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/bec011a8d14bccfc9ef04dd7dc7793c89ccccb99
Minor Cleanup to Chapter 4 to make the book more readable	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/e70bd5f96229b459c68e7bf17412feea98895fc0
	https://github.com/davecom
davecom	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits?author=davecom
e70bd5f	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/e70bd5f96229b459c68e7bf17412feea98895fc0
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/blob/e70bd5f96229b459c68e7bf17412feea98895fc0/Chapter4
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/e70bd5f96229b459c68e7bf17412feea98895fc0
Improved the comments in edge.py and graph.py	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/9c54fadb33991dbf56dfc2f4170a699ef0e80b20
	https://github.com/davecom
davecom	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits?author=davecom
9c54fad	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/9c54fadb33991dbf56dfc2f4170a699ef0e80b20
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/blob/9c54fadb33991dbf56dfc2f4170a699ef0e80b20/Chapter4
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/9c54fadb33991dbf56dfc2f4170a699ef0e80b20
Initial Code for Chapter 4	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/13371ddf37eaf81d9ef8088530f12f42cb3af90c
	https://github.com/davecom
davecom	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commits?author=davecom
13371dd	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/commit/13371ddf37eaf81d9ef8088530f12f42cb3af90c
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/blob/13371ddf37eaf81d9ef8088530f12f42cb3af90c/Chapter4
	https://github.com/daming-lu/ClassicComputerScienceProblemsInPython/tree/13371ddf37eaf81d9ef8088530f12f42cb3af90c
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.