TheMuellenator

def sing(num_bottles):
    #TODO: Add your code to achieve the desired output and pass the challenge. 
    #NOTE: The f String method of String Interpolation does not work. 
    lyrics = []
    for num in range(num_bottles, 0, -1):
        lyrics.append('{num} bottles of beer on the wall, {num} bottles of beer.'.format(num = num))
        lyrics.append('Take one down and pass it around, {num} bottles of beer on the wall.'.format(num = num - 1))
        lyrics.append('')
        
    return lyrics

TheMuellenator

# TODO: Write a function called concatenate_lists that has two parameters and returns the combined list. 

def concatenate_lists(first_list, second_list):
    
    result = first_list + second_list
    
    
    return result

TheMuellenator

# TODO 1: Add two parameters (length_ft and width_ft)
def calc_square_meters_from_feet(length_ft, width_ft):
    
    
    # TODO 2: Modify the code below:
    metric_length = length_ft * 0.3048
    metric_width = width_ft * 0.3048
    metric_area = metric_length * metric_width
    
    

TheMuellenator

tracker = 0

def moveForwards():
    global tracker 
    tracker += 1
    print('moved forward by one step.')

def turnRight():
    global tracker
    tracker -= 1

TheMuellenator

def top_three(scores):
    scores = scores
    top_scores = []
    
    # Solution
    scores.sort()
    list_size = len(scores)
    top_scores = [scores[list_size-1], scores[list_size-2], scores[list_size-3]]
    
    

TheMuellenator

def test(A, B):
    
    a = A
    b = B
    
    # TODO: Below this comment write your code.
    c = a
    a = b
    b = c

TheMuellenator

// Define a struct
struct User {
    var name: String
    var email: String?
    var followers: Int
    var isActive: Bool
    
    func logStatus() {
        if (isActive) {
            print("\(name) is working hard")

TheMuellenator

//Write your code here.

// Solution
let secondsInAnHour = 3600

// alternatively:
// let secondsInAnHour: Int = 3600

// Note, constants can only be set once and cannot be assigned a new value. 
// The below does not work, because it is a constant and thus cannot be changed.

TheMuellenator

func isOdd(n: Int) -> Bool {
	if n % 2 != 0 {
		return true
	} else {
		return false
	}
	
	// Alternatively:
	// return n % 2 != 0
}

TheMuellenator

//Don't change this
var studentsAndScores = ["Amy": Int(readLine()!)!, "James": Int(readLine()!)!, "Helen": Int(readLine()!)!]

func highestScore(scores: [String: Int]) {
  
  //Write your code here.
  let a = studentsAndScores["Amy"]!
  let b = studentsAndScores["James"]!
  let c = studentsAndScores["Helen"]!