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This tutorial belongs to the Swift series
In Swift, semicolons are optional.
You can write statements on separate lines, and you don’t need to add a semicolon:
let list = ["a", "b", "c"]
var a = 2You can add a semicolon, but it adds nothing meaningful in this case:
let list = ["a", "b", "c"];
var a = 2;But if you want to write more than one statement on the same line, then you need to add a semicolon:
var a = 2; let b = 3