Stopwatch with Arduino Mega 2560

1// created by harrison blaker on october 25, 2019
2#include <LiquidCrystal_I2C.h>
3const  int buttonPin = 2;
4LiquidCrystal_I2C lcd(0x20,16,2);  // set the LCD address  to 0x20 for a 16 chars and 2 line display
5int timer = 0;
6int timer2 = 0;
7int  timer3;
8int buttonState = 0; 
9int toggle = 0;
10void setup()
11
12{
13  lcd.init();                      // initialize the lcd
14
15  // Print a message  to the LCD.
16  lcd.backlight();
17  lcd.print("stop watch");
18   pinMode(buttonPin,  INPUT);
19   
20}
21
22void loop()
23{
24
25
26   buttonState = digitalRead(buttonPin);
27   if (buttonState == HIGH);
28   {
29   int toggle = toggle + 1;
30}
31  int  timer;
32  int timer2;
33  int toggle;
34  if (toggle >= 2)
35  int toggle =  0;
36{
37int timer = 0;
38
39}
40  
41 
42	 while (toggle = 0) {
43    //  turn LED on:
44lcd.clear();
45buttonState = digitalRead(buttonPin);
46int timer  = timer + 1;
47lcd.setCursor(0,1);
48lcd.print(timer);
49lcd.setCursor(0,0);
50lcd.print("seconds  counter");
51delay (1000);
52	 }
53
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58