Mark- If Else let number 30 if number number 30 number 20 print even n

//Mark- If Else

let number = 30

if (number%2 == 0 && number == 30) || number == 20 {
    print("even number")
}
else {
    print("Odd Number")
}

let mark = 80

if mark >= 80 && mark <= 100 {
    print("A+")
}
else if mark>=70 && mark < 80 {
    print("A")
}
else if mark>=65 && mark < 70 {
    print("A-")
}
else{
    print("F")
}

//MARK:- Switch

let roll = 10

switch roll {
    case 1:
        print("Mamun")
        break
    case 2:
        print("Talha")
        break
    case 3:
        print("Saadi")
    case 4:
        print("Ferdous")
    case 5, 6:
        print("Masud")
    case 10...100:
        print("Sakib")
    default:
        print("No one")
}


//Mark- For Loop

for index in 0..<10 {
    print(index)
}

let names = ["Talha", "Saadi", "Mamun", "Ferdous"]

for index in 0..<names.count {
    print(names[index])
}

for name in names {
    print(name)
}

for (index, name) in names.enumerated() {
    print("Index: \(index), Name: \(name)")
}

//Mark- While Loop

var count = 0

while count < 100 {
    count += 1
}

print("Count: \(count)")

// Mark- Repeat While Loop