How to properly format code in a GitHub comment

I’m having an hard time trying to insert code in a GitHub comment.

This:

becomes this:

and this:

becomes this:

I’m astonished to have such a problems in a website specialized in collaborating (thus discussing) on programming code.

What’s the solution?

>Solution :

You keep trying to use single-line (also known as inline) markdown code syntax:

my code is `print("hello, world")`

While you should be using the multi-line variant:

    my code is:
    ```
    def foo():
        print("hello, world")
    ```

Read up about Markdown here.