info log messages

I want to display a multiple lines of message in info

I tried with the following code and I got the following output.

but the requirement is Helloworld

under that HelloSravya

both should come like main heading as HelloWorld

setprefix("Hello world");
setPrefix("Hello Sravya");

{
    info("Info1");
    info("Info2");
}

setprefix("Prefix2");

{
    info("Info3");
}