var example1 = ["Example 1", "Example 2", "Example 3", "Example 4"]
var example2 = ["Example 1", "Example 2", "Example 3", "Example 4"]
var example3 = ["Example 1", "Example 2", "Example 3", "Example 4"]
var example4 = ["Example 1", "Example 2", "Example 3", "Example 4"]
var example5 = ["Example 1", "Example 2", "Example 3", "Example 4"]

let e1PickerView = UIPickerView()
e1PickerView.delegate = self

let e2PickerView = UIPickerView()
e2PickerView.delegate = self

let e3PickerView = UIPickerView()
e3PickerView.delegate = self

let e4PickerView = UIPickerView()
e4PickerView.delegate = self

let e5PickerView = UIPickerView()
e5PickerView.delegate = self

example1.inputView = e1PickerView
example1.inputView = e2PickerView
example1.inputView = e3PickerView
example1.inputView = e4PickerView
example1.inputView = e5PickerView

func numberOfComponents(in pickerView: UIPickerView) -> Int {
    return 5
}

func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
    return e1.count
    return e2.count
    return e3.count
    return e4.count
    return e5.count
}

func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
    return e1[row]
    return e2[row]
    return e3[row]
    return e4[row]
    return e5[row]
}

func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
    e1TextField.text = e1[row]
    e2TextField.text = e2[row]
    e3TextField.text = e3[row]
    e4TextField.text = e4[row]
    e5TextField.text = e5[row]
}