diff --git a/1-exercises/A-accessing-values/exercise1.js b/1-exercises/A-accessing-values/exercise1.js
index 67416c69..23e21f30 100644
--- a/1-exercises/A-accessing-values/exercise1.js
+++ b/1-exercises/A-accessing-values/exercise1.js
@@ -5,10 +5,10 @@
 */
 
 let dog = {
-  breed: "Dalmatian",
-  name: "Spot",
-  isHungry: true,
-  happiness: 6
+  breed: "Dalmatian", //string
+  name: "Spot", //string
+  isHungry: true, //boolean
+  happiness: 6 //number
 };
 
 /*
@@ -16,8 +16,8 @@ let dog = {
   Log the name and breed of this dog using dot notation.
 */
 
-let dogName; // complete the code
-let dogBreed; // complete the code
+let dogName = dog.name;
+let dogBreed = dog.breed;
 
 console.log(`${dogName} is a ${dogBreed}`);
 
diff --git a/1-exercises/A-accessing-values/exercise2.js b/1-exercises/A-accessing-values/exercise2.js
index 5b523ace..9bf1890d 100644
--- a/1-exercises/A-accessing-values/exercise2.js
+++ b/1-exercises/A-accessing-values/exercise2.js
@@ -17,7 +17,7 @@ let capitalCities = {
 */
 
 let myCountry = "UnitedKingdom";
-let myCapitalCity; // complete the code
+let myCapitalCity = capitalCities[myCountry];
 
 console.log(myCapitalCity);
 
diff --git a/1-exercises/A-accessing-values/exercise3.js b/1-exercises/A-accessing-values/exercise3.js
index 2e160dd5..ddc20960 100644
--- a/1-exercises/A-accessing-values/exercise3.js
+++ b/1-exercises/A-accessing-values/exercise3.js
@@ -20,8 +20,9 @@ let basketballTeam = {
     - console.logs the name of each player on a new line
 */
 
-// write code here
 
+basketballTeam.topPlayers.sort()
+.forEach(player => console.log(player));
 
 /* EXPECTED RESULT
 
diff --git a/1-exercises/B-setting-values/exercise1.js b/1-exercises/B-setting-values/exercise1.js
index 7d0b05c5..db5554f7 100644
--- a/1-exercises/B-setting-values/exercise1.js
+++ b/1-exercises/B-setting-values/exercise1.js
@@ -22,7 +22,12 @@ let capitalCities = {
     - Add a population of 9750000 to Peru's capital city.
 */
 
-// write code here
+capitalCities.UnitedKingdom.population = 8980000;
+capitalCities.China.population = 21500000;
+capitalCities.Peru = {};
+capitalCities.Peru.name = "Lima";
+ capitalCities.Peru.population = 9750000;
+
 
 console.log(capitalCities);
 
diff --git a/1-exercises/B-setting-values/exercise2.js b/1-exercises/B-setting-values/exercise2.js
index 59fb7c1e..636b754e 100644
--- a/1-exercises/B-setting-values/exercise2.js
+++ b/1-exercises/B-setting-values/exercise2.js
@@ -15,7 +15,7 @@ let student = {
     - Set the value of attendance to 90
 */
 
-// write code here
+student["attendance"]= 90;
 
 /*
   - Write an "if" statement that changes the value of hasPassed to true
@@ -25,7 +25,10 @@ let student = {
   - Use bracket notation to change the value of hasPassed
 */
 
-// write code here
+  if(student.attendance >= 90 && student.examScore > 60){
+    student.hasPassed = true;
+  }
+
 
 console.log(student);
 
diff --git a/1-exercises/C-undefined-properties/exercise.js b/1-exercises/C-undefined-properties/exercise.js
index 8b00f6ce..301d3df4 100644
--- a/1-exercises/C-undefined-properties/exercise.js
+++ b/1-exercises/C-undefined-properties/exercise.js
@@ -14,7 +14,7 @@ let car = {
   yearsOld: 8,
 };
 
-console.log(car["colour"]);
+console.log(car["colour"]); //Colour property doesn't exist in the object, therefore expecting undefined.
 
 // Example 2
 function sayHelloToUser(user) {
@@ -25,7 +25,7 @@ let user = {
   name: "Mira"
 };
 
-sayHelloToUser(user);
+sayHelloToUser(user);// FirstName property does't exist in the object, therefore expecting undefined.
 
 // Example 3
 let myPet = {
@@ -35,4 +35,4 @@ let myPet = {
   },
 };
 
-console.log(myPet.getName());
+console.log(myPet.getName());// The getName function doesn't return anything, therefore expecting undefined. 
diff --git a/1-exercises/D-object-methods/exercise.js b/1-exercises/D-object-methods/exercise.js
index 0b57f2e1..d4ea6696 100644
--- a/1-exercises/D-object-methods/exercise.js
+++ b/1-exercises/D-object-methods/exercise.js
@@ -8,7 +8,9 @@
 */
 
 let student = {
-  // write code here
+ getName : function (name){
+  console.log(`Student name: ${name}`)
+  }
 }
 
 student.getName("Daniel");
diff --git a/2-mandatory/1-recipes.js b/2-mandatory/1-recipes.js
index 6243fa9c..6acd33a5 100644
--- a/2-mandatory/1-recipes.js
+++ b/2-mandatory/1-recipes.js
@@ -22,4 +22,46 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
\ No newline at end of file
+ const recipe1 = {
+  title : "Bread1",
+  serves : 2,
+  ingredients : ["Water", "Salt", "Flour"]
+ };
+  
+ const recipe2 = {
+   title: "Bread2",
+   serves: 2,
+   ingredients: ["Water", "Salt", "Flour","Oil"],
+ };
+   
+ const recipe3 = {
+   title: "Bread3",
+   serves: 2,
+   ingredients: ["Water", "Salt", "Gluten-free-flour"],
+ };
+   
+ const recipe4 = {
+   title: "Bread4",
+   serves: 2,
+   ingredients: ["Water", "Salt", "Flour", "Sesame"],
+ };
+   
+ const recipe5 = {
+   title: "Bread5",
+   serves: 2,
+   ingredients: ["Water", "Salt", "Flour", "Olive"],
+ };
+
+ const allRecipes = [recipe1, recipe2, recipe3, recipe4, recipe5];
+
+ allRecipes.forEach((recipe) =>{
+  console.log(`Recipe: ${recipe.title}`);
+  console.log(`Serves: ${recipe.serves}`);
+  console.log("Ingredients:");
+  recipe.ingredients.forEach((ingredient) =>
+    console.log(ingredient));
+    console.log("-------------");
+ });
+ 
+
+
diff --git a/2-mandatory/2-currency-code-lookup.js b/2-mandatory/2-currency-code-lookup.js
index 5fde14f1..2082bb8b 100644
--- a/2-mandatory/2-currency-code-lookup.js
+++ b/2-mandatory/2-currency-code-lookup.js
@@ -18,9 +18,18 @@ const COUNTRY_CURRENCY_CODES = [
 ];
 
 function createLookup(countryCurrencyCodes) {
-  // write code here
+
+  const countryCurrencyCodesLookup = {};
+
+for(let countryCurrencyCode of countryCurrencyCodes){
+  let countryCode = countryCurrencyCode[0];
+  let currencyCode = countryCurrencyCode[1];
+  countryCurrencyCodesLookup[countryCode] = currencyCode;
+};
+return countryCurrencyCodesLookup;
 }
 
+
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 2-currency-code-lookup.js`
 - To run all exercises/tests in the mandatory folder, run `npm test`
diff --git a/2-mandatory/3-shopping-list.js b/2-mandatory/3-shopping-list.js
index d25cb366..d6e9a0a2 100644
--- a/2-mandatory/3-shopping-list.js
+++ b/2-mandatory/3-shopping-list.js
@@ -19,8 +19,17 @@ let pantry = {
 };
 
 function createShoppingList(recipe) {
-  // write code here
-}
+let missingIngredients = recipe.ingredients.filter(ingredient => {
+     return !pantry.fridgeContents.includes(ingredient) &&
+      !pantry.cupboardContents.includes(ingredient);
+  });
+ 
+  let shoppingList = {
+    name: recipe.name,
+    items: missingIngredients
+  };
+  return shoppingList;
+};
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 3-shopping-list.js`
@@ -43,11 +52,18 @@ test("createShoppingList works for pancakes recipe", () => {
 test("createShoppingList works for margherita pizza recipe", () => {
   let recipe2 = {
     name: "margherita pizza",
-    ingredients: ["flour", "salt", "yeast", "tinned tomatoes", "oregano", "mozarella"],
+    ingredients: [
+      "flour",
+      "salt",
+      "yeast",
+      "tinned tomatoes",
+      "oregano",
+      "mozarella",
+    ],
   };
 
   expect(createShoppingList(recipe2)).toEqual({
     name: "margherita pizza",
-    items: ["flour", "yeast", "mozarella"]
+    items: ["flour", "yeast", "mozarella"],
   });
-});
\ No newline at end of file
+});
diff --git a/2-mandatory/4-restaurant.js b/2-mandatory/4-restaurant.js
index d7b81eea..ab00f232 100644
--- a/2-mandatory/4-restaurant.js
+++ b/2-mandatory/4-restaurant.js
@@ -20,8 +20,22 @@ const MENU = {
 };
 
 let cashRegister = {
-  // write code here
-}
+ orderBurger: function(balance){
+  if(balance >= MENU.burger){
+    return balance - MENU.burger;
+  } else {
+    return balance;
+  }
+
+ },
+ orderFalafel: function(balance){
+  if(balance >= MENU.falafel){
+    return balance - MENU.falafel;
+  } else {
+    return balance;
+  }
+ }
+};
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 4-restaurant.js`