button test 1

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

#define BTN1 7      //macros because the pins arent in order with the buttons, improves readability
#define BTN2 6
#define BTN3 5
#define BTN4 4

void setup() {
  pinMode(BTN1, INPUT_PULLUP);    //set pin modes
  pinMode(BTN2, INPUT_PULLUP);
  pinMode(BTN3, INPUT_PULLUP);
  pinMode(BTN4, INPUT_PULLUP);

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

void loop() {
  while(digitalRead(BTN1) == LOW){          //also tried this with if and if else, etc...
    lcd.setCursor(0,0);
    lcd.print("BUTTON 1 PRESSED");          //when a button is pressed it should display text on the lcd
  }
  while(digitalRead(BTN2) == LOW){
    lcd.setCursor(0,0);
    lcd.print("BUTTON 2 PRESSED");
  }
  while(digitalRead(BTN3) == LOW){
    lcd.setCursor(0,0);
    lcd.print("BUTTON 3 PRESSED");
  }
  while(digitalRead(BTN4) == LOW){
    lcd.setCursor(0,0);
    lcd.print("BUTTON 4 PRESSED");
  }
  lcd.setCursor(0,0);
  lcd.print("NO BUTTON PRESSED");
}