var someDict:[String:Int] = ["One":1, "Two":2, "Three":3] // creates dictionary
var someVar = someDict["One"] // accesses the value of key "One"
print("The value of key = One is \(someVar)")// dictionary with keys and values of different data types
var numbers = [1: "One", 2: "Two", 3: "Three"]
print(numbers)var capitalCity = ["Nepal": "Kathmandu", "Italy": "Rome", "England": "London"]
print(capitalCity)import Foundation
let strings = [
"one",
"two",
"three"
]
let ints = strings.map { (string) -> Int in
return string.count
}