= document.querySelector('p');

      btn.onclick = function() {
        const code = input.value;
        para.textContent = eval(code);
      }

      function Person(first, last, age, gender, interests) {
        this.name = {
          first,
          last
        };
        this.age = age;
        this.gender = gender;
        this.interests = interests;
        this.bio = function() {
          // First define a string, and make it equal to the part of
          // the bio that we know will always be