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      // Creates an array called animals.
      var animals = ["parrot", "cat", "dog"];
      // Logs the length of the animals array (3).
      console.log(animals.length);
      // Logs the animal cat.
      console.log(animals[1]);
      // Logs the animal dog.
      console.log(animals[2]);
      // Logs the animal parrot.
      console.log(animals[0]);
      // Logs the animal[3]. Since there is no animal in that index, undefined is logged.
      console.log(animals[animals.length]);
      // Logs the animal[2] which is dog.
      console.log(animals[animals.length - 1]);
      // Logs the index position for bear. Since bear isn't in the array, -1 is logged.
      console.log(animals.indexOf("bear"));
      // Logs the index position for parrot, which is 0.
      console.log(animals.indexOf("parrot"));