Exercise2 : String operation - Inserting values of variables in a string using \()

Exercise2.swift

//: Playground - noun: a place where people can play
// The Swift Programming Language
// iBook Page 6 (13" screen display with full screen)
// Basic string operations
import UIKit

// declare two variables
let apples = 3
let oranges = 5

// Example 1. using \() for adding values of variables within string
let appleSummary = "I have \(apples) apples."

// Example 2. using \() for adding values after an operation
let fruitSummary = "I have \(apples + oranges) pieces of fruites."

// Example 3.
// use \() to include a floating point & string to include someones name.

let todaysTemp = 37.5
let today = "Monday"
let greetings = "Hello ! It's \(today) morning & temperature is \(todaysTemp)"