@@ -31,30 +31,69 @@
 
     const people = ['Beck, Glenn', 'Becker, Carl', 'Beckett, Samuel', 'Beddoes, Mick', 'Beecher, Henry', 'Beethoven, Ludwig', 'Begin, Menachem', 'Belloc, Hilaire', 'Bellow, Saul', 'Benchley, Robert', 'Benenson, Peter', 'Ben-Gurion, David', 'Benjamin, Walter', 'Benn, Tony', 'Bennington, Chester', 'Benson, Leana', 'Bent, Silas', 'Bentsen, Lloyd', 'Berger, Ric', 'Bergman, Ingmar', 'Berio, Luciano', 'Berle, Milton', 'Berlin, Irving', 'Berne, Eric', 'Bernhard, Sandra', 'Berra, Yogi', 'Berry, Halle', 'Berry, Wendell', 'Bethea, Erin', 'Bevan, Aneurin', 'Bevel, Ken', 'Biden, Joseph', 'Bierce, Ambrose', 'Biko, Steve', 'Billings, Josh', 'Biondo, Frank', 'Birrell, Augustine', 'Black Elk', 'Blair, Robert', 'Blair, Tony', 'Blake, William'];
 
+    console.clear()
+
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    console.log(
+      'inventors born in the 1500s',
+      inventors.filter(inventor => inventor.year < 1600 && inventor.year > 1499)
+    )
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
+    console.log(
+      'inventors first and last names',
+      inventors.map(inventor => `${inventor.first} ${inventor.last}`)
+    )
 
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+    console.log(
+      'inventors sorted oldest to youngest',
+      inventors.sort((inventorA, inventorB) => inventorA.year - inventorB.year)
+    )
+
+    const getLifeSpanOfPerson = ({ passed, year }) => passed - year
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+    console.log(
+      'years all the inventors lived',
+      inventors.reduce((accumulator, inventor) => accumulator + getLifeSpanOfPerson(inventor), 0)
+    )
 
     // 5. Sort the inventors by years lived
+    console.log(
+      'inventors by years lived',
+      inventors.sort((a, b) => getLifeSpanOfPerson(b) - getLifeSpanOfPerson(a))
+    )
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
 
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
+    const getLastNameOfPerson = person => person.match(/\w+/)[0]
+
+    console.log(
+      'sorted people by last name',
+      people.sort((personA, personB) => getLastNameOfPerson(personA) > getLastNameOfPerson(personB))
+    )
 
     // 8. Reduce Exercise
     // Sum up the instances of each of these
     const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck' ];
+    console.log(
+      'instances of words',
+      data.reduce((accumulator, datum) => {
+        accumulator[datum] || (accumulator[datum] = 0)
+        accumulator[datum] += 1
+        return accumulator
+      },
+      {})
+    )
 
   </script>
 </body>