// Including the WiFi library
#include <WiFi.h>

void setup() {
  Serial.begin(115200);
  // Put ESP32 in Station Mode
  WiFi.mode(WIFI_MODE_STA);
  // Delay of 1 sec (reason written in loop) 
  delay(1000);
  // Printing the MAC address
  Serial.print("MAC address : ");
  Serial.println(WiFi.macAddress());
}

void loop() {
  /*
    While executing the code without the delay, 
  it is possible that Serial Monitor will show the MAC address to be 00.
    This is not correct. 
    To rectify this, add the 1 sec delay after putting the esp into Station mode 
  */

  // MAC address noted on 7/11 : 24:0A:C4:00:01:10
}