For each + the collection types | Array.

import UIKit

// Inside Collection
// Array, Diction
//Array
var myArray : [Int] = [0,1,2,3,4,5,6,7,8,9,10 ]

//Just writing the numbers inside the array 
for item in myArray{
    print("item:\\(item)")
}

// Finding Odd Numbers 
for item1 in myArray where item1 % 2 != 0{
    print ("Odd Num: \\(item1)")
}