artturijalli

# How would you count the numbers in this list in as few lines of code as possible?
numbers = [1, 2, 3, 4, 5]

# 1. Charlie sums the numbers up using a for loop:
total = 0
for number in numbers:
  total += number

# 2. Bob sums the numbers up using the reduce function:
from functools import reduce

artturijalli

class Fruit { var name = "Banana" }

let fruit1 = Fruit()
let fruit2 = fruit1

print(fruit1 === fruit2)

artturijalli

let a = 1
let b = 1

print(a == b)

artturijalli

struct Fruit {
    let name: String
    let color: String
}

var banana = Fruit(name: "Banana", color: "Yellow")
print(banana.name, banana.color)

artturijalli

struct Fruit {
    let name: String
    let color: String

    init(name: String, color: String) {
        self.name = name
        self.color = color
    }
}

artturijalli

var a = 1
var b = 2

(a, b) = (b, a)

print(a, b)

artturijalli

let coords = (x: 1, y: 3, z: 2)

let (x, y, z) = coords

artturijalli

let coords = (x: 1, y: 3, z: 2)

let x = coords.x
let y = coords.y
let z = coords.z

artturijalli

let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

for number in numbers where number % 2 == 0{
    print(number)
}

artturijalli

let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

for number in numbers {
    if number % 2 == 0 {
        print(number)
    }
}