#include <DHT.h>
#define DHTTYPE DHT22
#define DHTPIN 2 
const int gasSensorPin = A0; 
DHT dht(DHTPIN, DHTTYPE);
void setup() {
  Serial.begin(9600); 
  dht.begin();        
  pinMode(gasSensorPin, INPUT); 
}
void loop() {
  int gasValue = analogRead(gasSensorPin);
  Serial.print("Gas Sensor Value: ");
  Serial.println(gasValue);
  delay(1000);
}