diff --git a/docs/python.md b/docs/python.md
index f66b5638..374897e1 100644
--- a/docs/python.md
+++ b/docs/python.md
@@ -83,7 +83,7 @@
 - [Complexity of Python Operations](https://ics.uci.edu/~pattis/ICS-33/lectures/complexitypython.txt)
 - [reddit.com: Multiprocessing vs Threading?](https://www.reddit.com/r/learnpython/comments/418z8b/multiprocessing_vs_threading)
     - [Python Threads and the Global Interpreter Lock [ARCHIVED]](http://web.archive.org/web/20220504020411/http://jessenoller.com/blog/2009/02/01/python-threads-and-the-global-interpreter-lock)
-- [devbattles.com: Python list. Functions and Methods lists](https://www.devbattles.com/en/sand/post-1754-Python_list_Functions_and_Methods_lists)
+- [devbattles.com: Python list. Functions and Methods lists](https://docs.python.org/3/tutorial/datastructures.html)
 - [devbattles.com: Python: sorting lists by .sort () with - in simple words](https://docs.python.org/3/howto/sorting.html)
 - [Create a GUI Application Using Qt and Python in Minutes: Example Web Browser](https://www.digitalpeer.com/blog/create-a-gui-application-using-qt-and-python-in-minutes-example-web-browser)
 - [Python FAQ: Why should I use Python 3? 🌟](https://eev.ee/blog/2016/07/31/python-faq-why-should-i-use-python-3)
@@ -290,7 +290,7 @@
 - [Flask Documentation 🌟](https://flask.palletsprojects.com/en/stable)
 - [The Flask Mega-Tutorial: Now with Python 3 Support](https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-now-with-python-3-support)
 - [realpython.com: Discover Flask, Part 1 - Setting Up a Static Site](https://realpython.com/learning-paths/flask-by-example)
-- [devbattles.com: Python Flask, Part 1: Hello World!](https://www.devbattles.com/en/sand/post-1757-Python_Flask_Part_1_Hello_World)
+- [devbattles.com: Python Flask, Part 1: Hello World!](https://flask.palletsprojects.com/en/latest/quickstart/)
 - [mherman.org: Scaling Flask with Kubernetes 🌟](https://mherman.org/presentations/flask-kubernetes)
 - [kdnuggets.com: How to Deploy a Flask API in Kubernetes and Connect it with Other Micro-services](https://www.kdnuggets.com/2021/02/deploy-flask-api-kubernetes-connect-micro-services.html)
 - [dev.to: Getting Started with Flask and Docker](https://dev.to/ken_mwaura1/getting-started-with-flask-and-docker-3ie8)