Adding and removing elements

Arrays and collections / Arrays

var primeNumbers = [2, 5, 7]
primeNumbers.append(11)
//primeNumbers is [2, 5, 7, 11]
print(primeNumbers)

primeNumbers += [13, 17]
//primeNumbers is [2, 5, 7, 11, 13, 17]
print(primeNumbers)

primeNumbers.insert(3, at: 1)
//primeNumbers is [2, 3, 5, 7, 11, 13, 17]
print(primeNumbers)

primeNumbers.remove(at: 2)
//primeNumbers is [2, 3, 7, 11, 13, 17]
print(primeNumbers)

primeNumbers[0...1] = [2, 3, 5]
//primeNumbers is [2, 3, 5, 7, 11, 13, 17]
print(primeNumbers)

primeNumbers.removeFirst()
//primeNumbers is [3, 5, 7, 11, 13, 17]
print(primeNumbers)

primeNumbers.removeLast(2)
//primeNumbers is [3, 5, 7, 11]
print(primeNumbers)

primeNumbers.removeSubrange(1...2)
//primeNumbers is [3, 11]
print(primeNumbers)

primeNumbers.removeAll()
//primeNumbers is []
print(primeNumbers)