text: "use strict";
  // Create a concrete class : child class
  // Jake_human is an instance of the Animal class
  const Jake_human = {
      age: 27,
      walkOn(road = "London") {
          return `Jake is walking on ${road}`;
      }
  };
  console.log(Jake_human.walkOn("Tokyo"));
  const Roads = (entity) => {
      return entity.walkOn("Seoul");
  };
  console.log(Roads(Jake_human));
  