text: // objects
  
  var adam = 'Raz'
  var myObject = {
    "adam": 1234,
    "viorel": 4321
  }
  var viorel = 'adam';
  myObject['viorel']; // 4321
  myObject.viorel; // 4321
  myObject[viorel]; // 1234
  myObject['adam'];
  
  
  var contacts = [
    {name: 'Adam', number: 1234},
    {name: 'Viorel', number: 4321}
  ];
  
  for (var i in myArray) {
    console.log(i);
  }
  
  for (var i = 0; i < myArray.length; i++){
    console.log(i);
  }
  
  var keys = Object.keys(myObject) // ['adam', 'viorel']
  for (var i = 0; i < keys.length; i++){
    console.log(keys[i]);
    console.log(myObject[keys[i]]);
  }
  
  for (var key in myObject) {
    console.log(key);
    console.log(myObject[key]);
  }
  
  
  var myObject = {};
  myObject.adam = 1234;
  myObject.viorel = 4321;
  
  
  var people = ['Peter', 'Harry', 'Ari'];
  
  people[0]
  people[1]
  
  var weirdArray = {
    "0": 'hey',
    "1": 'man'
  }
  
  weirdArray['0'];
  weirdArray[0];
  var normalArray = ['hey', 'man'];
  normalArray[0]
  