pipe hw

const pipe = ((testString) => {
  const getName = (obj) => {
    return obj.name;
  };
  const uppercase = (personName) => {
    return personName.toUpperCase();
  };
  const get3Characters = (personName) => {
    return personName.substring(0, 3);
  };
  console.log(get3Characters(uppercase(getName(testString))));
})({name: 'Pesho'});