#include <LiquidCrystal_I2C.h>

#define button 25 

LiquidCrystal_I2C lcd(0x27, 22, 21);
int count = 0;

void setup() {
  Serial.begin(115200);
  pinMode(button, INPUT_PULLUP);

  lcd.init();              
  lcd.backlight();         

  lcd.setCursor(0, 0); 
  lcd.print("Count: ");
  lcd.print(count);
}

void loop() {
  int bstate = digitalRead(button);

  if (bstate == LOW) {    
    count++;
    lcd.setCursor (7, 0);
    lcd.print(count); 
    Serial.print("Count: ");   
    Serial.println(count);
    delay(500);    
  }
}