Can't get code to work

//
//    FILE: dht11_test.ino
//  AUTHOR: Rob Tillaart
// PURPOSE: DHT library test sketch for DHT11 && Arduino
//     URL: https://github.com/RobTillaart/DHTstable

 http://www.arduino.cc/en/Tutorial/LiquidCrystalHelloWorld

*/

// include the library code:
#include <LiquidCrystal.h>
/*
  BackLight
  Author: Bonezegei (Jofel Batutay)
  Date:  February 2024
*/

#include <Bonezegei_LCD2004_I2C.h>

#endif Bonezegei_LCD2004_I2C lcd(0x27);

void setup() {
  lcd.begin();
  lcd.print("BackLight");
}
// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("hello, world!");
}

#include "DHTStable.h"

DHTStable DHT;

#define DHT11_PIN       5


void setup()
{
  Serial.begin(115200);
  Serial.println(__FILE__);
  Serial.print("LIBRARY VERSION: ");
  Serial.println(DHTSTABLE_LIB_VERSION);
  Serial.println();
  Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}


void loop()
{
  // READ DATA
  Serial.print("DHT11, \t");
  int chk = DHT.read11(DHT11_PIN);
  switch (chk)
  {
    void loop() {
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print(millis() / 1000);
}
 
  lcd.setBacklight(0);
  lcd.setPosition(0, 1);
  lcd.print("OFF");
  delay(1000);
}
    case DHTLIB_OK:  
      Serial.print("OK,\t"); 
      break;
    case DHTLIB_ERROR_CHECKSUM: 
      Serial.print("Checksum error,\t"); 
      break;
    case DHTLIB_ERROR_TIMEOUT: 
      Serial.print("Time out error,\t"); 
      break;
    default: 
      Serial.print("Unknown error,\t"); 
      break;
  }
  // DISPLAY DATA
  Serial.print(DHT.getHumidity(), 1);
  Serial.print(",\t");
  Serial.println(DHT.getTemperature(), 1);

  delay(2000);
}


// -- END OF FILE --

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