René's URL Explorer Experiment

Title: GitHub - YingluDeng/HeadFirstDesignPatterns_python: Example code from Head First Design Patterns translated to python

Open Graph Title: GitHub - YingluDeng/HeadFirstDesignPatterns_python: Example code from Head First Design Patterns translated to python

X Title: GitHub - YingluDeng/HeadFirstDesignPatterns_python: Example code from Head First Design Patterns translated to python

Description: Example code from Head First Design Patterns translated to python - YingluDeng/HeadFirstDesignPatterns_python

Open Graph Description: Example code from Head First Design Patterns translated to python - YingluDeng/HeadFirstDesignPatterns_python

X Description: Example code from Head First Design Patterns translated to python - YingluDeng/HeadFirstDesignPatterns_python

Opengraph URL: https://github.com/YingluDeng/HeadFirstDesignPatterns_python

X: @github

direct link

Domain: github.com

route-pattern	/:user_id/:repository
route-controller	files
route-action	disambiguate
fetch-nonce	v2:4bef21e3-8a7d-0aff-e5cb-72c19d26c156
current-catalog-service-hash	f3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id	946C:23CB5E:177755:214552:696A48C0
html-safe-nonce	5d440186e6a2d3942fb7b77ab132ae4209a65102d49f2f07b2c7ec2083df30fb
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5NDZDOjIzQ0I1RToxNzc3NTU6MjE0NTUyOjY5NkE0OEMwIiwidmlzaXRvcl9pZCI6IjI0NTc5NDUwNzI5OTcxMjQyODgiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac	3ad9bf3e53091cf4ebbf81354384eae51cac10ec102f89831ab4315af66407a3
hovercard-subject-tag	repository:955023594
github-keyboard-shortcuts	repository,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	//
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/YingluDeng/HeadFirstDesignPatterns_python
twitter:image	https://opengraph.githubassets.com/ed94871eab855190ce0a7c6c3e38cb24fdf6405563010b98aa4bdad3c53d34ec/YingluDeng/HeadFirstDesignPatterns_python
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/ed94871eab855190ce0a7c6c3e38cb24fdf6405563010b98aa4bdad3c53d34ec/YingluDeng/HeadFirstDesignPatterns_python
og:image:alt	Example code from Head First Design Patterns translated to python - YingluDeng/HeadFirstDesignPatterns_python
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
hostname	github.com
expected-hostname	github.com
None	3f871c8e07f0ae1886fa8dac284166d28b09ad5bada6476fc10b674e489788ef
turbo-cache-control	no-preview
go-import	github.com/YingluDeng/HeadFirstDesignPatterns_python git https://github.com/YingluDeng/HeadFirstDesignPatterns_python.git
octolytics-dimension-user_id	47238768
octolytics-dimension-user_login	YingluDeng
octolytics-dimension-repository_id	955023594
octolytics-dimension-repository_nwo	YingluDeng/HeadFirstDesignPatterns_python
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	true
octolytics-dimension-repository_parent_id	376605201
octolytics-dimension-repository_parent_nwo	dancergraham/HeadFirstDesignPatterns_python
octolytics-dimension-repository_network_root_id	376605201
octolytics-dimension-repository_network_root_nwo	dancergraham/HeadFirstDesignPatterns_python
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	63c426b30d262aba269ef14c40e3c817b384cd61
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#start-of-content
	https://github.com/
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FYingluDeng%2FHeadFirstDesignPatterns_python
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub SparkBuild and deploy intelligent apps	https://github.com/features/spark
GitHub ModelsManage and compare prompts	https://github.com/features/models
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
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
GitHub SponsorsFund open source developers	https://github.com/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/accelerator
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/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%2FYingluDeng%2FHeadFirstDesignPatterns_python
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&source=header-repo&source_repo=YingluDeng%2FHeadFirstDesignPatterns_python
Reload	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Reload	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Reload	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
YingluDeng	https://github.com/YingluDeng
HeadFirstDesignPatterns_python	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
dancergraham/HeadFirstDesignPatterns_python	https://github.com/dancergraham/HeadFirstDesignPatterns_python
Notifications	https://github.com/login?return_to=%2FYingluDeng%2FHeadFirstDesignPatterns_python
Fork 0	https://github.com/login?return_to=%2FYingluDeng%2FHeadFirstDesignPatterns_python
Star 0	https://github.com/login?return_to=%2FYingluDeng%2FHeadFirstDesignPatterns_python
MIT license	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/LICENSE
0 stars	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/stargazers
47 forks	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/forks
Branches	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/branches
Tags	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tags
Activity	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/activity
Star	https://github.com/login?return_to=%2FYingluDeng%2FHeadFirstDesignPatterns_python
Notifications	https://github.com/login?return_to=%2FYingluDeng%2FHeadFirstDesignPatterns_python
Code	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Pull requests 0	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/pulls
Actions	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/actions
Projects 0	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/projects
Security Uh oh! There was an error while loading. Please reload this page.	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/security
Please reload this page	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Insights	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/pulse
Code	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Pull requests	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/pulls
Actions	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/actions
Projects	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/projects
Security	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/security
Insights	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/pulse
Branches	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/branches
Tags	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tags
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/branches
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tags
129 Commits	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/commits/main/
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/commits/main/
.vscode	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/.vscode
.vscode	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/.vscode
chapter01_strategy	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter01_strategy
chapter01_strategy	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter01_strategy
chapter02_observer	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter02_observer
chapter02_observer	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter02_observer
chapter03_decorator	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter03_decorator
chapter03_decorator	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter03_decorator
chapter04_factory	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter04_factory
chapter04_factory	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter04_factory
chapter05_singleton	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter05_singleton
chapter05_singleton	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter05_singleton
chapter06_command	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter06_command
chapter06_command	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter06_command
chapter07_adapter_facade	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter07_adapter_facade
chapter07_adapter_facade	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter07_adapter_facade
chapter08_template	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter08_template
chapter08_template	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter08_template
chapter09_iterator_composite	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter09_iterator_composite
chapter09_iterator_composite	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter09_iterator_composite
chapter10_state	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter10_state
chapter10_state	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter10_state
chapter12_compound	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter12_compound
chapter12_compound	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter12_compound
chapter14_leftover	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter14_leftover
chapter14_leftover	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/chapter14_leftover
extra_result	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/extra_result
extra_result	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/extra_result
images	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/images
images	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/tree/main/images
.gitignore	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/.gitignore
.gitignore	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/.gitignore
CONTRIBUTING.md	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/CONTRIBUTING.md
CONTRIBUTING.md	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/CONTRIBUTING.md
LICENSE	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/LICENSE
LICENSE	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/LICENSE
README.md	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/README.md
README.md	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/README.md
requirements.txt	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/requirements.txt
requirements.txt	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/requirements.txt
README	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Contributing	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
License	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#head-first-design-patterns-python-code
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/images\learning.oreilly.jpg
Head First Design Patterns second edition	https://wickedlysmart.com/head-first-design-patterns/
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#patterns-implemented
Strategy	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter01_strategy
Observer	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter02_observer
Decorator	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter03_decorator
Factory Method	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter04_factory
Simple Factory	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter04_factory
Abstract Factory	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter04_factory
Builder	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter04_factory#builder-%EF%B8%8F%EF%B8%8F
Singleton	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter05_singleton
Command	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter06_command
Adapter	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter07_adapter_facade
Façade	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter07_adapter_facade
Template Method	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter08_template
Iterator	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter09_iterator_composite
Composite	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter09_iterator_composite
State	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter10_state
Model View Controller (MVC)	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter12_compound
Manager	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/chapter14_leftover
Result	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/blob/main/extra_result
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#sample-code--java
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#sample-code--python-
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#object-oriented-design-principles
	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#model-view-controller-mvc
small complete MVC implementation in JavaScript	https://github.com/dancergraham/HeadFirstJs/blob/master/battleship2D.js
Readme	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#readme-ov-file
MIT license	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#MIT-1-ov-file
Contributing	https://github.com/YingluDeng/HeadFirstDesignPatterns_python#contributing-ov-file
Please reload this page	https://github.com/YingluDeng/HeadFirstDesignPatterns_python
Activity	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/activity
0 stars	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/stargazers
0 watching	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/watchers
0 forks	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/forks
Report repository	https://github.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2FYingluDeng%2FHeadFirstDesignPatterns_python&report=YingluDeng+%28user%29
Releases	https://github.com/YingluDeng/HeadFirstDesignPatterns_python/releases
Packages 0	https://github.com/users/YingluDeng/packages?repo_name=HeadFirstDesignPatterns_python
	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.