let dic = ["1":"a", "2":"b", "3":"c"]
let arrayOfKeys = Array(dic.keys.map{ $0 })
print(arrayOfKeys) // [1, 2, 3]
let arrayOfValues = Array(dic.values.map{ $0 })
print(arrayOfValues) // [a, b, c]
let myDictionary = myArray.reduce([Int: String]()) { (dict, person) -> [Int: String] in
var dict = dict
dict[person.position] = person.name
return dict
}
//[2: "b", 3: "c", 1: "a"]