Need guidance on small code

Projects Programming
7 
#include <SerialLCD.h>
#include <SoftwareSerial.h>
const int buttonPin = 2;
const int buttonPin1 = 7;
int count = 0;
int count1 = 0;         
int lastButtonState = 0;
int buttonState = 0;
int buttonState1 = 0;

SerialLCD slcd(4,3);

void setup() 
{
  pinMode(buttonPin, INPUT);
  pinMode(buttonPin1, INPUT);
  slcd.begin();
  slcd.print("TEST");
  Serial.begin(9600);
}

void loop(){
  buttonState = digitalRead(buttonPin);
  buttonState1 = digitalRead(buttonPin1);
  Serial.print ("Button press count = ");     
  Serial.println(count, DEC);
  if (buttonState != lastButtonState) 
  {
    if (buttonState == HIGH) {
      count++;
    }
    lastButtonState = buttonState;
    if (count %2 == 0)
    {
      slcd.noDisplay();
      delay(200);
      slcd.display();
      delay(200);
    }
    else 
    {
      slcd.display();
    }
  }
}