diff --git a/Sprint-1/destructuring/exercise-1/exercise.js b/Sprint-1/destructuring/exercise-1/exercise.js
index 1ff2ac5c..e40220a5 100644
--- a/Sprint-1/destructuring/exercise-1/exercise.js
+++ b/Sprint-1/destructuring/exercise-1/exercise.js
@@ -6,10 +6,12 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+function introduceYourself({name, age, favouriteFood}) {
   console.log(
     `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
   );
 }
 
 introduceYourself(personOne);
+
+// the syntax to destructure  is let {name,age, favouriteFood} = personOne
diff --git a/Sprint-1/destructuring/exercise-2/exercise.js b/Sprint-1/destructuring/exercise-2/exercise.js
index e11b75eb..5dd33042 100644
--- a/Sprint-1/destructuring/exercise-2/exercise.js
+++ b/Sprint-1/destructuring/exercise-2/exercise.js
@@ -69,4 +69,19 @@ let hogwarts = [
     pet: "Phoenix",
     occupation: "Teacher",
   },
+  
 ];
+
+hogwarts.forEach(({firstName,lastName,house,pet,occupation}) => {
+    if(house === "Gryffindor") {
+      console.log(`${firstName} ${lastName}`)
+    }
+  })
+console.log("");
+
+hogwarts.forEach(({firstName,lastName,house,pet,occupation}) => {
+   if(occupation === "Teacher" && pet) {
+      console.log(`${firstName} ${lastName}`)
+    }
+  })
+  
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..95f878fe 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -28,18 +28,18 @@ const check = document.getElementById("check");
 //check the right input from forms and if its ok -> add the new book (object in array)
 //via Book function and start render function
 function submit() {
-  if (
-    title.value == null ||
-    title.value == "" ||
-    pages.value == null ||
-    pages.value == ""
-  ) {
+  if (!title.value.trim() || !author.value.trim() || !pages.value.trim()) {
     alert("Please fill all fields!");
     return false;
   } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+    let book = new Book(title.value, author.value, pages.value, check.checked);
+    myLibrary.push(book);
     render();
+    //clear user input data after storing the information
+    title.value = "";
+    author.value = "";
+    pages.value = "";
+    check.checked = false;
   }
 }
 
@@ -54,7 +54,7 @@ function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
   //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  for (let n = rowsNumber - 1; n > 0; n--) {
     table.deleteRow(n);
   }
   //insert updated row and cells
@@ -77,9 +77,9 @@ function render() {
     wasReadCell.appendChild(changeBut);
     let readStatus = "";
     if (myLibrary[i].check == false) {
-      readStatus = "Yes";
-    } else {
       readStatus = "No";
+    } else {
+      readStatus = "Yes";
     }
     changeBut.innerText = readStatus;
 
@@ -90,11 +90,11 @@ function render() {
 
     //add delete button to every row and render again
     let delButton = document.createElement("button");
-    delBut.id = i + 5;
-    deleteCell.appendChild(delBut);
-    delBut.className = "btn btn-warning";
-    delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
+    delButton.id = i + 5;
+    deleteCell.appendChild(delButton);
+    delButton.className = "btn btn-warning";
+    delButton.innerHTML = "Delete";
+    delButton.addEventListener("click", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();
diff --git a/package-lock.json b/package-lock.json
index 52884e65..fe490948 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "ISC",
       "devDependencies": {
         "jest": "^29.5.0",
-        "prettier": "^2.8.7"
+        "prettier": "^2.8.8"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -2921,10 +2921,11 @@
       }
     },
     "node_modules/prettier": {
-      "version": "2.8.7",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.7.tgz",
-      "integrity": "sha512-yPngTo3aXUUmyuTjeTUT75txrf+aMh9FiD7q9ZE/i6r0bPb22g4FsE6Y338PQX1bmfy08i9QQCB7/rcUAVntfw==",
+      "version": "2.8.8",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.8.tgz",
+      "integrity": "sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==",
       "dev": true,
+      "license": "MIT",
       "bin": {
         "prettier": "bin-prettier.js"
       },
@@ -5673,9 +5674,9 @@
       }
     },
     "prettier": {
-      "version": "2.8.7",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.7.tgz",
-      "integrity": "sha512-yPngTo3aXUUmyuTjeTUT75txrf+aMh9FiD7q9ZE/i6r0bPb22g4FsE6Y338PQX1bmfy08i9QQCB7/rcUAVntfw==",
+      "version": "2.8.8",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.8.tgz",
+      "integrity": "sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==",
       "dev": true
     },
     "pretty-format": {
diff --git a/package.json b/package.json
index 159d018d..5e685675 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,6 @@
   "homepage": "https://github.com/CodeYourFuture/Module-JS3#readme",
   "devDependencies": {
     "jest": "^29.5.0",
-    "prettier": "^2.8.7"
+    "prettier": "^2.8.8"
   }
 }