func

import UIKit


var names = ["ali", "ahmed", "hassan"]
var math = [80, 90, 77]
var rel = [88,94,71]
var arabic = [69,84,98]

func printall (names:Array<String>, math:Array<Int>, rel:Array<Int>, arabic:Array<Int>) {
    for i in 0..<names.count {
        print("name : \(names[i])" + " rel : \(rel[i])" + " math : \(math[i])" + " arabic : \(arabic[i])")

    }
}

printall(names: names, math: math, rel: rel, arabic: arabic)
///////////////////

func printaOne (names:Array<String>, math:Array<Int>, rel:Array<Int>, arabic:Array<Int>
    , One:String) {

    for i in 0...(names.count - 1) {
        if  names[i] == One {
            print("name : \(names[i])" + " rel : \(rel[i])" + " math : \(math[i])" + " arabic : \(arabic[i])")
        }
    }
}

printaOne (names: names, math: math, rel: rel, arabic: arabic , One:"ali")

////////////////

func edit (names:Array<String>, math:Array<Int>, rel:Array<Int>, arabic: inout Array<Int>
    , mark:Int, One:String) {

    for i in 0...(math.count - 1) {
        if  names[i] == One {
            arabic[i] = mark

            print("name : \(names[i])" + " rel : \(rel[i])" + " math : \(math[i])" + " arabic : \(arabic[i])")
        }
    }
}
edit (names: names, math: math, rel: rel, arabic: &arabic, mark:111, One:"ahmed")