This is a code blocks- online code compiler, Coding Blocks Online IDE. Using this plugin you can run and compile and check your code.
After installing this plugin , two steps need to follow:
First: Need to setup Client ID & Secret Key, To get the API key you can follow the link here: https://www.jdoodle.com/compiler-api/

Then, You need to add this shortcode where you want to show this compiler :” [lms_code] “
After that, you will able to see this compiler and run and compile your code here

Plugin URL : https://wordpress.org/plugins/code-blocks-online-code-compiler/
Demo link: https://dev.webtoptemplates.com/compiler/
For more details can watch this video :