Arduino toggle

//*********************************************
//*           Arduino Toggle Switch           *
//*        learnelectronics 28 June 2020      *
//*                                           *
//*       www.youtube.com/learnelectronics    *
//*         email: arduino0169@gmail.com      *
//*                                           *
//*********************************************








    int switchPin = 2;                        // Button Pin2 one side 5V, opposite to GND through 10K resistor
    int led1Pin = 8;                          // 1st LED on pin8
    int led2pin = 9;                          // 2nd LED on pin9

    int val;                                  // Read instantanious pin value
    int val2;                                 // Read delayed value
    int buttonState;                          // Hold the button Value
    int Mode = 0;                             // keep track of which LED is on

    void setup() {
      pinMode(switchPin, INPUT);              // Set the switch pin as input
      pinMode(led1Pin, OUTPUT);               // Set LED1 as output
      pinMode(led2pin, OUTPUT);               // Set LED2 as output
      buttonState = digitalRead(switchPin);   // read the initial state
    }

    void loop(){
      val = digitalRead(switchPin);           // read button value and store it in val
      delay(10);                              // wait 10mS and see if button is still on
      val2 = digitalRead(switchPin);          // read the input again to check for bounces
      if (val == val2) {                      // make sure we got 2 consistant readings!
        if (val != buttonState) {             // the button state has changed!
          if (val == LOW) {                   // check if the button is pressed
            if (Mode == 0) {
              Mode = 1;
            } else {
                if (Mode == 1) {
                Mode = 0;
            }
          }
         }
        }
        buttonState = val;                    // save the new state in our variable
      }

                                              // Switch LED according to mode
      if (Mode == 0) {
        digitalWrite(led1Pin, HIGH);          //LED1 On
        digitalWrite(led2pin, LOW);           //LED2 Off
      }

      if (Mode == 1) {
        digitalWrite(led1Pin, LOW);           //LED1 Off
        digitalWrite(led2pin, HIGH);          //LED2 On
      }


    }