diff --git a/.replit b/.replit
new file mode 100644
index 00000000..b0123cfa
--- /dev/null
+++ b/.replit
@@ -0,0 +1,75 @@
+
+hidden = [".config"]
+run = "npm run start"
+
+[[hints]]
+regex = "Error \\[ERR_REQUIRE_ESM\\]"
+message = "We see that you are using require(...) inside your code. We currently do not support this syntax. Please use 'import' instead when using external modules. (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import)"
+
+[nix]
+channel = "stable-21_11"
+
+[env]
+XDG_CONFIG_HOME = "/home/runner/.config"
+PATH = "/home/runner/$REPL_SLUG/.config/npm/node_global/bin:/home/runner/$REPL_SLUG/node_modules/.bin"
+npm_config_prefix = "/home/runner/$REPL_SLUG/.config/npm/node_global"
+
+[gitHubImport]
+requiredFiles = [".replit", "replit.nix", ".config"]
+
+[packager]
+language = "nodejs"
+
+  [packager.features]
+  packageSearch = true
+  guessImports = true
+  enabledForHosting = false
+
+[unitTest]
+language = "nodejs"
+
+[languages.javascript]
+pattern = "**/{*.js,*.jsx,*.ts,*.tsx}"
+
+  [languages.javascript.languageServer]
+  start = [ "typescript-language-server", "--stdio" ]
+
+[debugger]
+support = true
+
+  [debugger.interactive]
+  transport = "localhost:0"
+  startCommand = [ "dap-node" ]
+
+    [debugger.interactive.initializeMessage]
+    command = "initialize"
+    type = "request"
+
+      [debugger.interactive.initializeMessage.arguments]
+      clientID = "replit"
+      clientName = "replit.com"
+      columnsStartAt1 = true
+      linesStartAt1 = true
+      locale = "en-us"
+      pathFormat = "path"
+      supportsInvalidatedEvent = true
+      supportsProgressReporting = true
+      supportsRunInTerminalRequest = true
+      supportsVariablePaging = true
+      supportsVariableType = true
+
+    [debugger.interactive.launchMessage]
+    command = "launch"
+    type = "request"
+    
+      [debugger.interactive.launchMessage.arguments]  
+      args = []
+      console = "externalTerminal"
+      cwd = "."
+      environment = []
+      pauseForSourceMap = false
+      program = "./index.js"
+      request = "launch"
+      sourceMaps = true
+      stopOnEntry = false
+      type = "pwa-node"
diff --git a/1-exercises/A-accessing-values/exercise1.js b/1-exercises/A-accessing-values/exercise1.js
index 67416c69..fb47995f 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 = "Spot"    
+let dogBreed = "Dalmation"
 
 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..978265de 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 = "London"
 
 console.log(myCapitalCity);
 
diff --git a/1-exercises/A-accessing-values/exercise3.js b/1-exercises/A-accessing-values/exercise3.js
index 2e160dd5..b0d92e98 100644
--- a/1-exercises/A-accessing-values/exercise3.js
+++ b/1-exercises/A-accessing-values/exercise3.js
@@ -20,8 +20,10 @@ let basketballTeam = {
     - console.logs the name of each player on a new line
 */
 
-// write code here
 
+let topPlayers = ["Michael Jordan", "Scottie Pippen", "Dennis Rodman"];
+topPlayers.sort();
+console.log(topPlayers);
 
 /* EXPECTED RESULT
 
diff --git a/1-exercises/B-setting-values/exercise1.js b/1-exercises/B-setting-values/exercise1.js
index 7d0b05c5..898f98a9 100644
--- a/1-exercises/B-setting-values/exercise1.js
+++ b/1-exercises/B-setting-values/exercise1.js
@@ -3,15 +3,23 @@
   You can also change the value assigned to a property using dot notation.
 */
 
-let capitalCities = {
-  UnitedKingdom: {
-    name: "London",
-    population: 20,
-  },
-  China: {
-    name: "Beijing",
-  }
-};
+// let capitalCities = {
+//   UnitedKingdom: {
+//     name: "London",
+//     population: 20,
+//   },
+//   China: {
+//     name: "Beijing",
+//     population: 21500000,
+//   }
+// Peru: {
+//  name: "Lima"
+//  population: 9750000,   
+// }
+// };
+
+
+
 
 /*
   Using dot notation:
@@ -24,8 +32,24 @@ let capitalCities = {
 
 // write code here
 
+let capitalCities = {
+  UnitedKingdom: {
+    name: "London",
+    population: 20,
+  },
+  China: {
+    name: "Beijing",
+    population: 21500000,
+  },
+Peru: {
+ name: "Lima",
+ population: 9750000,   
+}
+};
+capitalCities.UnitedKingdom = 8980000;
 console.log(capitalCities);
 
+
 /* EXPECTED RESULT
 
   {
diff --git a/1-exercises/B-setting-values/exercise2.js b/1-exercises/B-setting-values/exercise2.js
index 59fb7c1e..1783df59 100644
--- a/1-exercises/B-setting-values/exercise2.js
+++ b/1-exercises/B-setting-values/exercise2.js
@@ -3,11 +3,7 @@
   You can also change the value assigned to a property using bracket notation.
 */
 
-let student = {
-  name: "Reshma Saujani",
-  examScore: 65,
-  hasPassed: false
-};
+
 
 /*
   Using bracket notation
@@ -27,6 +23,13 @@ let student = {
 
 // write code here
 
+let student = {
+name: "Reshma Saujani",
+examScore: 65,
+hasPassed: true,
+attendance: 90,
+};
+
 console.log(student);
 
 /* EXPECTED RESULT
diff --git a/1-exercises/C-undefined-properties/exercise.js b/1-exercises/C-undefined-properties/exercise.js
index 8b00f6ce..fb88adbb 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" is not defined as an object anywhere in the variable statement//
 
 // Example 2
 function sayHelloToUser(user) {
@@ -25,7 +25,7 @@ let user = {
   name: "Mira"
 };
 
-sayHelloToUser(user);
+sayHelloToUser(user); //Hello in the console log is undefined, as well as 'firstName' not identified as the object 'name'//  
 
 // Example 3
 let myPet = {
@@ -35,4 +35,4 @@ let myPet = {
   },
 };
 
-console.log(myPet.getName());
+console.log(myPet.getName()); //has attempted to create a function element where the property should be//
diff --git a/1-exercises/D-object-methods/exercise.js b/1-exercises/D-object-methods/exercise.js
index 0b57f2e1..5713edbe 100644
--- a/1-exercises/D-object-methods/exercise.js
+++ b/1-exercises/D-object-methods/exercise.js
@@ -8,10 +8,13 @@
 */
 
 let student = {
-  // write code here
-}
+  name: "Daniel",
+  message: function () {
+  return "Student name: + (name) ";
+  },
+};
 
-student.getName("Daniel");
+console.log (student)
 
 /* EXPECTED RESULT
 
diff --git a/2-mandatory/1-recipes.js b/2-mandatory/1-recipes.js
index 6243fa9c..58d0205d 100644
--- a/2-mandatory/1-recipes.js
+++ b/2-mandatory/1-recipes.js
@@ -22,4 +22,38 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
\ No newline at end of file
+let recipe1 = {
+name: "Pepperoni Pizza",
+serves: 3,
+ingredients: ["bread", "tomato sauce", "pepperoni", "cheese"],     
+}
+
+let recipe2 = {
+name: "chilli con carne",
+serves: 5,
+ingredients: ["beef", "chillies", "tomato sauce", "kidney beans"],
+}
+
+let recipe3 = {
+name: "Kung Pao Chicken",
+serves: 2,
+ingredients: ["chicken", "peanuts", "soy sauce", "beansprouts"],      
+}
+
+let recipe4 = {
+name: "Indian Mixed Grill",
+serves: 5,    
+ingredients: ["tandori chicken", "pork chops", "bell peppers", "chillies"],  
+}
+
+let recipe5 = {
+name: "Full English Breakfast",
+serves: 1,
+ingredients: ["bacon", "sausage", "fried egg", "baked beans"],    
+} 
+
+console.log(recipe1)
+console.log(recipe2)
+console.log(recipe3)
+console.log(recipe4)
+console.log(recipe5)
\ No newline at end of file
diff --git a/2-mandatory/2-currency-code-lookup.js b/2-mandatory/2-currency-code-lookup.js
index 5fde14f1..3f163305 100644
--- a/2-mandatory/2-currency-code-lookup.js
+++ b/2-mandatory/2-currency-code-lookup.js
@@ -18,8 +18,14 @@ const COUNTRY_CURRENCY_CODES = [
 ];
 
 function createLookup(countryCurrencyCodes) {
-  // write code here
-}
+let currencyCodes = {};
+countryCurrencyCodes.forEach((element) => 
+currencyCodes[0] = element[1]
+)
+return currencyCodes
+};
+
+
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 2-currency-code-lookup.js`
diff --git a/2-mandatory/3-shopping-list.js b/2-mandatory/3-shopping-list.js
index d25cb366..1acc6967 100644
--- a/2-mandatory/3-shopping-list.js
+++ b/2-mandatory/3-shopping-list.js
@@ -18,8 +18,11 @@ let pantry = {
   cupboardContents: ["salt", "tinned tomatoes", "oregano"],
 };
 
+
 function createShoppingList(recipe) {
-  // write code here
+let allItems = pantry.fridgeContents.concat(pantry.cupboardContents);
+(ingredients) => combinedPantry.includes(ingredients);
+return allItems;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
diff --git a/2-mandatory/4-restaurant.js b/2-mandatory/4-restaurant.js
index d7b81eea..30256a21 100644
--- a/2-mandatory/4-restaurant.js
+++ b/2-mandatory/4-restaurant.js
@@ -20,7 +20,10 @@ const MENU = {
 };
 
 let cashRegister = {
-  // write code here
+orderBurger: function (balance){
+(balance >= MENU.burger) 
+return (balance = balance - MENU.burger);
+}
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
diff --git a/replit.nix b/replit.nix
new file mode 100644
index 00000000..9d433375
--- /dev/null
+++ b/replit.nix
@@ -0,0 +1,8 @@
+{ pkgs }: {
+	deps = [
+		pkgs.nodejs-16_x
+        pkgs.nodePackages.typescript-language-server
+        pkgs.yarn
+        pkgs.replitPackages.jest
+	];
+}
\ No newline at end of file