Menaim Academy - Swift Course - Control Flow - For loop, Repeat while, While loop

Menaim Academy - Swift Course - Video 13 Code.swift

import Foundation

// MARK: - What are the Loops

// arr = [1,2,3,4,5] -> print(arr[0]), print(arr[1]

// MARK: - For-In Loops

 let names = ["Ahmed", "Mohamed", "Menaim", "Mahmoud"]
for name in names { // name is a container
    print(name)
}
//print(names[0], names[1])
//print(names[1])


let numberOfLegs = ["spider": 8, "ant": 6, "cat": 4]
for (animalName, legCount) in numberOfLegs {
    print("\(animalName)s have \(legCount) legs")
}

for key in numberOfLegs.keys {
    print(key)
}

for value in numberOfLegs.values {
    print(value)
}
// MARK: - Ranges
for number in 1...5 { // => 1 => 5
    print(number)
}

for number in 1..<5 { // => 1 => < 5
    print(number)
}
// MARK: - While Loops
var number = 5
//while number > 0 { // Infinite loop
//    print(number)
//}

//while number > 0 {
//    print(number)
//    number -= 1
//}

// MARK: - Repeat-While -> do-while

repeat {
    print(number)
    number -= 1
} while number > 0