@@ -10,8 +10,6 @@
     // Get your shorts on - this is an array workout!
     // ## Array Cardio Day 1
 
-    // Some data we can work with
-
     const inventors = [
       { first: 'Albert', last: 'Einstein', year: 1879, passed: 1955 },
       { first: 'Isaac', last: 'Newton', year: 1643, passed: 1727 },
@@ -31,28 +29,62 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
-
+    const inventorsOld = inventors.filter(inventor => inventor.year >= 1500 && inventor.year <1600);
+    console.log(inventorsOld);
+    console.table(inventorsOld); 
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
-
+    const firstAndLast = inventors.map(inventor => `${inventor.first} ${inventor.last}`)
+    console.log(firstAndLast)
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+    inventors.sort((a,b) => a.year - b.year)
+    inventors.sort((a,b) => a.year > b.year ? 1 : -1); 
+    console.table(inventors)
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+    const totalYears = inventors.reduce((acc, inventor) => { return acc + (inventor.passed - inventor.year)},0)
+    console.log("total years:", totalYears);
 
     // 5. Sort the inventors by years lived
+    const yearsLivedSorted = inventors.sort((a,b) => {
+      // console.log(a);
+      // console.log("----------");
+      // console.log(b);
+      // console.log("NEXT------");
+      const firstYears = a.passed - a.year;
+      const nextYears = b.passed - b.year;
+      return (firstYears > nextYears) ? -1 : 1
+      // (a.passed - a.year)-(b.passed - b.year)
+    })
+    console.table(yearsLivedSorted);
 
     // 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 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'];
+    people.sort((a,b)=> a[0] - b[0]) // ascending
+    console.log(people);
 
     // 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' ];
+    
+    const summedData = data.reduce((object, item) => {
+      if (object[item] == undefined) {
+      // if (!object[item]) {
+        object[item] = 1;
+      } else {
+        object[item]++;
+      }
+      return object;
+    }, {})
+
+    console.log(summedData);
 
   </script>
 </body>