Well... yes and no. It really depends on the compiler you're using. Every single compiler is different, so each one has different settings.
Don't worry though, auto closing tags don't affect run time, they're just an addition feature.
I think maybe
Well it's not possible at mobile phone
But maybe if you open on desktob chrome or any browser you use
Go to code playground section and select any start new code
Click ctrl + ;
On your keyboard
It will display a menu with setting for the playground
I think you can find there what you want or more