Temp/Humidty/LED/LCD

#include <LiquidCrystal.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>

#define DHTPIN A0     // what pin we're connected to
#define DHTTYPE DHT11   // we are using the DHT11 sensor
#define Blue_LED 8 //Blue LED on pin 8
#define Red_LED 7  //Red LED on pin 7

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

DHT dht(DHTPIN, DHTTYPE);

void setup()
{
  Serial.begin(9600);

 {
  pinMode(Blue_LED, OUTPUT);
  pinMode(Red_LED, OUTPUT);
 }
  lcd.begin(16,2);  //16 by 2 character display

dht.begin();
}

void loop()
{
  delay(1000);
  // Reading temperature or humidity takes about 250 milliseconds!

  float h = dht.readHumidity();  //retrieve humidity data from sensor
  float t = dht.readTemperature(true);  // Retrieve Temperature data from sensor and convert to Farenheite (true)

  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Temp: ");
  lcd.print(t);  //print temperarture data to the LCD display
  lcd.print("F");  //print F for Farenheite after the temperature

  lcd.setCursor(0,1);
  lcd.print("Hum : ");
  lcd.print(h);  //print humidity data to the LCD display
  lcd.print("%");  //print % after the humidity level


//the 2-led setup process
 if (t < 70)
  {
  digitalWrite(Blue_LED, HIGH); //If temperature is less than 70 turn on BLUE LED
  digitalWrite(Red_LED, LOW);  //If temperature is less than 70 turn off Red LED

  }
  else if (t > 70)
  {
  digitalWrite(Blue_LED, LOW); //If temperature is less than 70 turn off BLUE LED
  digitalWrite(Red_LED, HIGH); //If temperature is less than 70 turn on Red LED
  }

}