Added Cheatsheets for many languages (#11588)

* Added C++ Cheatsheet by GeeksforGeeks

* Added an Angular Cheatsheet by Geeks for Geeks

* Added python cheatsheet

more/free-programming-cheatsheets.md

@@ -64,7 +64,8 @@
 
 ### Angular
 
-* [Angular Cheat Sheet](https://angular.io/guide/cheatsheet) 
+* [Angular Cheat Sheet](https://angular.io/guide/cheatsheet)
+* [Angular Cheat Sheet – A Basic Guide to Angular](https://www.geeksforgeeks.org/angular-cheat-sheet-a-basic-guide-to-angular/) - GeeksforGeeks
 
 
 ### Ansible
@@ -106,6 +107,7 @@
 
 ### <a id="cpp"></a>C++
 
+* [C++ Cheatsheet](https://www.geeksforgeeks.org/cpp-cheatsheet) - GeeksforGeeks 
 * [C++ Cheatsheet](https://www.codewithharry.com/blogpost/cpp-cheatsheet) - CodeWithHarry (HTML)
 * [C++ Quick Reference](http://www.hoomanb.com/cs/quickref/CppQuickRef.pdf) - Hooman Baradaran (PDF)
 * [Cheatsheets & Infographics](https://hackingcpp.com/cpp/cheat_sheets.html) - Hacking C++ (HTML & downloadable as PNG)
@@ -396,6 +398,7 @@
 * [Python Cheat Sheet](https://websitesetup.org/python-cheat-sheet/) - WebsiteSetup (HTML, PDF, PNG)
 * [Python Cheat Sheet](https://www.pythoncheatsheet.org) - Wilfredinni (HTML)
 * [Python Cheat Sheet](https://overapi.com/python) - OverAPI
+* [Python Cheat sheet (2024)](https://www.geeksforgeeks.org/python-cheat-sheet) - GeeksforGeeks
 * [Python Crash Course Cheatsheet](https://ehmatthes.github.io/pcc/cheatsheets/README.html) - Eric Matthes (HTML)
 * [Python Crash Course Cheatsheet (2nd Edition)](https://ehmatthes.github.io/pcc_2e/cheat_sheets/cheat_sheets/) - Eric Matthes (PDF)
 * [Python Data Wrangling with pandas](https://pandas.pydata.org/Pandas_Cheat_Sheet.pdf) - Pandas (PDF)