swift3 - How to reference multiple rows with Swift 3 UIPickerView? -

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how display "lamborghini , white" in label?

i'm trying figure out how reference selected rows independently in each column.

import uikit  class viewcontroller: uiviewcontroller, uipickerviewdelegate, uipickerviewdatasource {  @iboutlet var titlelbl: uilabel! @iboutlet var pickerview: uipickerview!  var cars = [["bmw","lamborghini","range rover", "bentley",     "maserati", "rolls royce"],["blue","green","white"]]  override func viewdidload() {     super.viewdidload()     // additional setup after loading view, typically nib.     pickerview.delegate = self     pickerview.datasource = self }   func numberofcomponents(in pickerview: uipickerview) -> int {     return 2 }  func pickerview(_ pickerview: uipickerview, numberofrowsincomponent component: int) -> int {     return cars[component].count }  func pickerview(_ pickerview: uipickerview, titleforrow row: int, forcomponent component: int) -> string? {     return cars[component][row] }  func pickerview(_ pickerview: uipickerview, didselectrow row: int, incomponent component: int) {     titlelbl.text = "\(cars[0][row]) , \(cars[1][row])" }    }

figured out,

import uikit  class viewcontroller: uiviewcontroller, uipickerviewdelegate, uipickerviewdatasource {      @iboutlet var titlelbl: uilabel!     @iboutlet var pickerview: uipickerview!      var cars = [["bmw","lamborghini","range rover", "bentley", "maserati", "rolls royce"],["blue","green","white"]]      override func viewdidload() {         super.viewdidload()         // additional setup after loading view, typically nib.         pickerview.delegate = self         pickerview.datasource = self      }       func numberofcomponents(in pickerview: uipickerview) -> int {         return 2     }      func pickerview(_ pickerview: uipickerview, numberofrowsincomponent component: int) -> int {         return cars[component].count     }      func pickerview(_ pickerview: uipickerview, titleforrow row: int, forcomponent component: int) -> string? {         return cars[component][row]     }      func pickerview(_ pickerview: uipickerview, didselectrow row: int, incomponent component: int) {         let selectedvalue1 = pickerview.selectedrow(incomponent: 0)         let selectedvalue2 = pickerview.selectedrow(incomponent: 1)         titlelbl.text = "\(cars[0][selectedvalue1]) , \(cars[1][selectedvalue2])"      }  }

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