jak zwrocic wartosc z promise?

function test(){
    fetch('https://api.exchangeratesapi.io/latest?base=PLN')
    .then(response => {
        return response.json()
    })
    .then(resp => {
        let sprawdzam = resp.rates; 
        return sprawdzam;
    })
}
test();
 
 
// ze zmienna globalna, wszystko dziala
let sprawdzam = '';
function test(){
    fetch('https://api.exchangeratesapi.io/latest?base=PLN')
    .then(response => {
        return response.json()
    })
    .then(resp => {
        sprawdzam = resp.rates; 
        console.log(sprawdzam)
        return sprawdzam;
    })
}
test();

async function test(){
    const response = await fetch('https://api.exchangeratesapi.io/latest?base=PLN');
    const json = await response.json();

    return json.rates;
}

console.log(
  await test()
);

function test(){
    return fetch('https://api.exchangeratesapi.io/latest?base=PLN') // dodałem słowo return 
    .then(response => {
        return response.json()
    })
    .then(resp => {
        let sprawdzam = resp.rates; 
        return sprawdzam;
    })
}

test().then(v => {
  console.log("promise zwróciła", v);
});