For each object, you can find a unique ID, city name, and zip code.
const cities = [
{
id: "5983",
zip: "20095",
city: "Hamburg",
},
{
id: "12910",
zip: "10115",
city: "Berlin",
},
{
id: "10655",
zip: "80331",
city: "München",
},
{
id: "153642",
zip: "60306",
city: "Frankfurt am Main",
},
{
id: "8321",
zip: "50667",
city: "Köln",
}
// ...
]