<script>
let world1 = 'world';
let world2 = 'world';
const world3 = 'world';
function foo() {
world3 = 'svelte';
}
</script>
<div>
<p>Hello world</p>
<p>Hello {world1}</p>
<p>Hello {world2}</p>
</div>
<p>Hello {world3}</p>