text: console.log("Functions");
  
  /*
  function functionName(param if any) {
      ........body of the function
  }
  */
  function hello() {
      console.log("hello from a function");
  }
  hello();
  
  let greet = function() {
      console.log("I am a function greet function");
  }
  greet();
  
  //function with params
  
  let welcome = function(name="stranger") {
      console.log(`Hello ${name}`);
  }
  welcome("Divya");
  
  let addition = function(num1=0, num2=0) {
      let sum = num1 + num2;
      return sum;
  }
  let result = addition(5, 6);
  console.log(result);
  