how to make a loop in scala code example

Example 1: how loop in scala

val nums = Seq(1,2,3)
val letters = Seq('a', 'b', 'c')
val res = for {
    n <- nums
    c <- letters
} yield (n, c)

Example 2: how loop in scala

for ((name,count) <- names.view.zip(Stream from 1)) {
    println(s"$count is $name")
}