diff --git a/starter-code/lib/excersise.js b/starter-code/lib/excersise.js
new file mode 100644
index 0000000..6c09288
--- /dev/null
+++ b/starter-code/lib/excersise.js
@@ -0,0 +1,186 @@
+
+
+var opinions = [ "This is the best job ever",
+                 "Satisfied",
+                 "At least I get paid",
+                 "I'm looking for another job",
+                 "I don't want to answer"];
+  
+  
+  
+function select10Opinions(){  
+           
+  return _.times(10,function(){
+    return opinions[Math.floor(Math.random() * 5)];
+  })
+  
+}
+console.log(select10Opinions());
+
+
+var employeeSatisfaction = [];
+function call5times(){
+return _.times(5,select10Opinions);
+}
+  
+employeeSatisfaction = call5times();
+
+
+console.log(employeeSatisfaction);
+
+// Exercise 2 
+
+function nameBirthday(array) {
+return _.chunk(array, 2);
+}
+
+var orderedBday = nameBirthday(birthdays)
+console.log(orderedBday);
+
+
+var moreBirthdays = ["Lily Evans", "30 January", "James Potter", "27 March",
+                     "Dudley Dursley", "30 June", "Tom Riddle", "31 December"];
+                     
+function concatBday (a , b){                     
+return _.concat(a, b);
+}
+
+
+var nameBirthday2 = nameBirthday(moreBirthdays)
+
+var finalBday = concatBday(orderedBday, nameBirthday2);
+console.log(finalBday);
+
+
+
+
+
+// Exercicse 3
+
+
+var goodPsswd = "1234567890";
+var badPsswd = "1123456";
+
+var noRepeatChar = function (password) {
+  var UniquePassword = createUniq(password);
+  if (password.length == UniquePassword.length){
+    return "Good Password";
+  } else {
+    return "Bad Password";
+  }
+};
+
+function createUniq (array){
+ return _.uniq(array);
+}
+
+console.log(noRepeatChar(goodPsswd));
+console.log(noRepeatChar(badPsswd));
+
+
+
+var goodPsswd = "1234567890";
+var badPsswd = "1a234567890";
+var onlyNumbers = function (password) {
+  var testType = true; 
+  for (var i = 0; i < password.length; i++) {
+    if (isNaN(parseInt(password[i]))){
+      testType = false;
+    }
+    } 
+    return testType;
+}
+
+console.log(onlyNumbers(goodPsswd));
+console.log(onlyNumbers(badPsswd));
+
+
+
+
+
+var goodPsswd = "1234567890";
+var badPsswd = "12345678901234567890";
+
+var trimPassword = function (password) {
+return _.join(_.slice(password, 0, 10), '');
+}
+
+
+trimPassword(badPsswd);
+
+// Exercise 4
+
+var novemberArtists = function (arr) {
+
+  var novemberSongs = _.filter(arr, function(elem){
+   
+    if (_.has(elem, 'month') && elem.month === 11) {
+      return true;
+    } else {
+      return false;
+    }
+  });
+
+  
+    return countArtist(novemberSongs);
+}
+
+function countArtist (arr) {
+  var artistCounts = _.countBy(arr, 'artist');
+
+  var maxSongs = 0;
+  var maxArtist = '';
+  
+   for (var key in artistCounts) {
+     if(artistCounts[key] > maxSongs) {
+        maxSongs = artistCounts[key];
+        maxArtist = key;
+      }
+      
+   }
+   
+   return maxArtist;
+
+}
+
+
+console.log(novemberArtists(abbeyRoadRecords));
+
+
+var bestArtist = function (arr) {
+ return countArtist(arr);
+};
+
+console.log(bestArtist(abbeyRoadRecords));
+
+
+var lastBeatlesSong = function (arr) {
+  
+  var beatlesSongs = _.filter(arr, function(elem) {
+    return _.has(elem, 'artist') && elem.artist == "The Beatles";
+  });
+ 
+ return _.maxBy(beatlesSongs, 'year');
+};
+
+
+console.log(lastBeatlesSong(abbeyRoadRecords));
+
+
+var sixtiesSong = function (arr) {
+  var sixtiesSongs = _.filter(arr, function(elem) {
+    return  _.has(elem, 'year') && elem.year < 1970 && elem.year > 1959;
+  });
+ 
+ var maxYear = _.maxBy(sixtiesSongs, 'year');
+ 
+ var lastYearSongs = _.filter(arr, function(elem) {
+    return  _.has(elem, 'year') && elem.year===maxYear.year;
+  });
+
+ var maxMonth = _.maxBy(lastYearSongs, 'month');
+ return maxMonth;
+};
+
+console.log(sixtiesSong(abbeyRoadRecords));
+
diff --git a/starter-code/lodash.html b/starter-code/lodash.html
index 6734dc3..e45f7e5 100644
--- a/starter-code/lodash.html
+++ b/starter-code/lodash.html
@@ -5,6 +5,7 @@
     <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.16.4/lodash.js"></script>
     <script src="./lib/abbeyRoad.js"></script>
     <script src="./lib/harryPotter.js"></script>
+    <script src="./lib/excersise.js"></script>
   </head>
 
   <body>