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iOS Swift Basics Swift Types Recap: Swift Types

William Richards
PLUS
William Richards
Courses Plus Student 303 Points

I'm a little bit confused as to how to complete step two using String Interpolation

Any help on understanding this better would be greatly appreciated.

types.swift
let firstValue: Int = 20
let secondValue: Int = 40

let product = "firstValue * secondValue

let output 

1 Answer

Michael Hulet
MOD
Michael Hulet
Treehouse Moderator 47,826 Points

String interpolation allows you to perform an expression and have its result pasted right into the string in the spot you want it. It's done with the \() syntax inside the string itself. For example:

let num = "\(2 + 2)"
//num is now equal to "4"