swift-calculate-average-scores

struct Student {
    let name: String
    let facultyNumber: Int
    let age: Int
    let grade1: Double
    let grade2: Double
    let grade3: Double
    var average: Double
    func calculateAverageGrade() -> Double     {
        return (grade1 + grade2 + grade3) / 3
    }
}


var students = [Student]()


students.append(Student(
    name: "Toni",
    facultyNumber: 10001,
    age: 21,
    grade1: 6.00,
    grade2: 6.00,
    grade3: 6.00,
    average: 0
))


students.append(Student(
    name: "Ivo",
    facultyNumber: 10002,
    age: 21,
    grade1: 6.00,
    grade2: 5.50,
    grade3: 5.75,
    average: 0
))


students.append(Student(
    name: "Jitko",
    facultyNumber: 10003,
    age: 41,
    grade1: 2.75,
    grade2: 3.25,
    grade3: 2.00,
    average: 0
))


students.append(Student(
    name: "Gosho",
    facultyNumber: 10004,
    age: 38,
    grade1: 2.00,
    grade2: 3.00,
    grade3: 4.00,
    average: 0
))




students.append(Student(
    name: "Mumut",
    facultyNumber: 10005,
    age: 121,
    grade1: 2.00,
    grade2: 2.50,
    grade3: 3.00,
    average: 0
))


var averages = [Double]()
var highest = 0.0
var bestStudent = ""


for var student in students {
    let average = student.calculateAverageGrade()
    averages.append(average)

    if (average > highest) {
        highest = average
        bestStudent = student.name
    }
    student.average = average
}


let max = averages.max()
print("Name: \(bestStudent) Average: \(max)")