learn m code

https://learn.microsoft.com/en-us/powerquery-m/

official document

Learning M code for Power Query can be very rewarding as it allows you to perform more complex data transformations and customizations. Here are some resources and steps you can follow to get started:

1. Microsoft Documentation
Microsoft Power Query M formula language: Official Documentation
This is the most authoritative resource. It covers the syntax and functions available in M code.
2. Online Courses and Tutorials
Coursera and Udemy: Look for courses on Power Query or M code. Some courses may offer specific modules on M language.
LinkedIn Learning: Offers courses that often include sections on M code.
3. YouTube Channels

4. Books
any biiks come with advantages

5. Forums and Communities
here for asking your questions
6. Practice
Experiment: Use Power Query in Excel or Power BI to practice writing M code. Try transforming sample datasets and explore different functions.
Explore Templates: Review and modify existing Power Query templates to see how M code is used in practice.
7. Blogs and Articles
8. GitHub