The ` is used to close the code-inline,But how can I input following code?
When you need to post code with embedded back-ticks you can use double back-ticks to open and close. To include code with double back-ticks you can use triple back-ticks to open and close, etc.
1.23``4, entered with
When entering code with leading or trailing back-ticks add a space between the opening and closing sets and the code body.
You can also use the four-space intent code block: