How can i start contributing to open source projects as a beginner programmer

Answer 1

Go to project repo. Then fork the repo. It will make a copy of open source project in your repo. git clone your forked repo. Make some changes. Go and submit pull request to main repo of project.

Answer 2

Can u suggest some open source projects for a beginner

Answer 3

meetalva is open source project written in react with type script.
You can contribute to Jquery.
There are many many projects out there. Go and research by yourself on github