loops.swift

class Assignment {

  func fibonacci(n: Int) {

    // Write your code here 👇
    var n1 = 0
    var n2 = 1
    
    if n == 0 {
      print("Invalid")
    } else if n == 1 {
      print(n1)
    } else if n == 2 {
      print(n1, n2)
    } else {
      var array = [n1, n2]
      for _ in 2..<n {
        let n3 = n1 + n2
        n1 = n2
        n2 = n3
        array.append(n3)
      }
      print(array)
    }

  }
}

// Test your function here for different values of n 👇
let test = Assignment()
test.fibonacci(n: 11)

class Assignment {

func fibonacci(n: Int) {

//Write your code here.

let range = Array(0...(n-3))
var newArray = [0, 1]

for numbers in range {
    var lastNumber = newArray.last!
    var secondLastNumber = newArray[(newArray.count - 2)]
    var newNumber = lastNumber + secondLastNumber
    newArray.append(newNumber)
}

print(newArray)

}

}

class Assignment {

func fibonacci(n: Int) {

//Write your code 
var fibArray: [Int] = []

if n <= 0 {
    print("[]")
    return
} else if n == 1 {
    print("[0]")
    return
} else if n == 2 {
    print("[0, 1]")
    return
}

fibArray = [0, 1]

for i in 2..<n {
    let nextNumber = fibArray[i - 1] + fibArray[i - 2]
    fibArray.append(nextNumber)
}

print(fibArray)

}

}