diff --git a/task-1/book.js b/task-1/book.js
index 8b49ecc..a731b3f 100644
--- a/task-1/book.js
+++ b/task-1/book.js
@@ -1,3 +1,18 @@
 function isBookApplicable(searchString) {
-  // Your code here
+   if (!searchString) {          
+        return false;
+    }
+    let cleanedSearch = searchString.trim().toLowerCase();
+
+     if (cleanedSearch === "") {
+        return false;
+    }
+
+    let bookTitle = "The fundamentals of JavaScript".toLowerCase();
+
+     let isFound = bookTitle.includes(cleanedSearch);
+
+
+     return isFound;
 }
+console.log(isBookApplicable('python'));
\ No newline at end of file
diff --git a/task-2/parse-date.js b/task-2/parse-date.js
index 877a3aa..047e553 100644
--- a/task-2/parse-date.js
+++ b/task-2/parse-date.js
@@ -1 +1,38 @@
-// Your code here
+function parseDateString(dateString) {
+    let parts = dateString.split(" ");
+
+    let format = parts[0];
+    let datePart = parts[1];
+
+
+    let numbers = datePart.split("-");
+
+   
+
+    let first = Number(numbers[0]);
+    let second = Number(numbers[1]);
+    let third = Number(numbers[2]);
+
+    let day;
+    let month;
+    let year = third;
+
+    if(format === "MDY"){
+         month = first;
+         day = second;
+    }
+
+    if (format === "DMY"){
+        day = first;
+        month = second;
+    }
+
+    let result = {
+        day: day,month: month, year: year
+    };
+
+
+    return result;
+}
+
+console.log(parseDateString("MDY 10-21-1983"));
\ No newline at end of file
diff --git a/task-3/date.js b/task-3/date.js
new file mode 100644
index 0000000..03e736d
--- /dev/null
+++ b/task-3/date.js
@@ -0,0 +1,18 @@
+export function convertHoursToMinutes(hours) {
+    return hours * 60
+}
+export function convertMinutesToHours(minutes) {
+    return minutes / 60
+}
+export function convertDaysToHours(days){
+    return days * 24
+}
+export function convertHoursToDays(hours){
+    return hours / 24
+}
+export function convertMinutesToSeconds(minutes){
+    return minutes * 60
+}
+export function convertSecondsToMinutes(seconds){
+    return seconds / 60
+}
\ No newline at end of file
diff --git a/task-4/cleanup.js b/task-4/cleanup.js
index 207523a..eb4afd7 100644
--- a/task-4/cleanup.js
+++ b/task-4/cleanup.js
@@ -1,80 +1,83 @@
-// Temperature conversion and weather report for City 1
-let cityName1 = "Amsterdam";
-let tempCelsius1 = 22;
-let tempFahrenheit1 = (tempCelsius1 * 9 / 5) + 32;
-let tempKelvin1 = tempCelsius1 + 273.15;
-console.log("Weather Report for " + cityName1);
-console.log("Temperature: " + tempCelsius1 + "°C");
-console.log("Temperature: " + tempFahrenheit1 + "°F");
-console.log("Temperature: " + tempKelvin1 + "K");
-if (tempCelsius1 < 0) {
-  console.log("Status: Freezing");
-} else if (tempCelsius1 >= 0 && tempCelsius1 < 10) {
-  console.log("Status: Cold");
-} else if (tempCelsius1 >= 10 && tempCelsius1 < 20) {
-  console.log("Status: Mild");
-} else if (tempCelsius1 >= 20 && tempCelsius1 < 30) {
-  console.log("Status: Warm");
-} else {
-  console.log("Status: Hot");
+function CelsiusToFahrenheit(c){
+  return(c*9/5) + 32;
 }
-console.log("---");
 
-// Temperature conversion and weather report for City 2
-let cityName2 = "Berlin";
-let tempCelsius2 = 15;
-let tempFahrenheit2 = (tempCelsius2 * 9 / 5) + 32;
-let tempKelvin2 = tempCelsius2 + 273.15;
-console.log("Weather Report for " + cityName2);
-console.log("Temperature: " + tempCelsius2 + "°C");
-console.log("Temperature: " + tempFahrenheit2 + "°F");
-console.log("Temperature: " + tempKelvin2 + "K");
-if (tempCelsius2 < 0) {
-  console.log("Status: Freezing");
-} else if (tempCelsius2 >= 0 && tempCelsius2 < 10) {
-  console.log("Status: Cold");
-} else if (tempCelsius2 >= 10 && tempCelsius2 < 20) {
-  console.log("Status: Mild");
-} else if (tempCelsius2 >= 20 && tempCelsius2 < 30) {
-  console.log("Status: Warm");
-} else {
-  console.log("Status: Hot");
+function CelciusToKelvin(c){
+  return c + 273.15;
 }
-console.log("---");
 
-// Temperature conversion and weather report for City 3
-let cityName3 = "Copenhagen";
-let tempCelsius3 = -5;
-let tempFahrenheit3 = (tempCelsius3 * 9 / 5) + 32;
-let tempKelvin3 = tempCelsius3 + 273.15;
-console.log("Weather Report for " + cityName3);
-console.log("Temperature: " + tempCelsius3 + "°C");
-console.log("Temperature: " + tempFahrenheit3 + "°F");
-console.log("Temperature: " + tempKelvin3 + "K");
-if (tempCelsius3 < 0) {
-  console.log("Status: Freezing");
-} else if (tempCelsius3 >= 0 && tempCelsius3 < 10) {
-  console.log("Status: Cold");
-} else if (tempCelsius3 >= 10 && tempCelsius3 < 20) {
-  console.log("Status: Mild");
-} else if (tempCelsius3 >= 20 && tempCelsius3 < 30) {
-  console.log("Status: Warm");
-} else {
-  console.log("Status: Hot");
+function AddDescription(c){
+  if (c<0){
+    return "Freezing";
+  }
+  if(c<10){
+    return "cold";
+  }
+  if(c<20){
+    return "Mild";
+  }
+  if(c<30){
+    return "Warm";
+  }
+  return "Hot";
 }
-console.log("---");
 
-// Wind chill calculation for City 1
-let windSpeed1 = 15;
-let windChill1 = 13.12 + 0.6215 * tempCelsius1 - 11.37 * Math.pow(windSpeed1, 0.16) + 0.3965 * tempCelsius1 * Math.pow(windSpeed1, 0.16);
-console.log("Wind chill in " + cityName1 + ": " + windChill1.toFixed(2) + "°C");
+function getWindChill(celsius, windKmPerHour) {
+    let windPower = Math.pow(windKmPerHour, 0.16);
+    
+    let answer = 13.12 +
+                 0.6215 * celsius -
+                 11.37 * windPower +
+                 0.3965 * celsius * windPower;
+    
+    return answer;
+}
+function showWeather(cityName, celsius, windSpeed) {
+    
+    let fahrenheit = CelsiusToFahrenheit(celsius);
+    let kelvin     = CelciusToKelvin(celsius);
+    
+  
+    let feeling = AddDescription(celsius);
+    
+    
+    console.log("Weather Report for " + cityName);
+    console.log("Temperature: " + celsius + "°C");
+    console.log("Temperature: " + fahrenheit + "°F");
+    console.log("Temperature: " + kelvin + "K");
+    console.log("Status: " + feeling);
+    console.log("---");
+    
+    
+    if (windSpeed > 0) {
+        let chill = getWindChill(celsius, windSpeed);
+        console.log("Wind chill in " + cityName + ": " + chill + "°C");
+    }
+}
+
+let name1 = "Amsterdam";
+let temp1 = 22;
+let wind1 = 15;
+showWeather(name1, temp1, wind1);
+
+
+let name2 = "Berlin";
+let temp2 = 15;
+let wind2 = 20;
+showWeather(name2, temp2, wind2);
+
+
+let name3 = "Copenhagen";
+let temp3 = -5;
+let wind3 = 25;
+showWeather(name3, temp3, wind3);
 
-// Wind chill calculation for City 2
-let windSpeed2 = 20;
-let windChill2 = 13.12 + 0.6215 * tempCelsius2 - 11.37 * Math.pow(windSpeed2, 0.16) + 0.3965 * tempCelsius2 * Math.pow(windSpeed2, 0.16);
-console.log("Wind chill in " + cityName2 + ": " + windChill2.toFixed(2) + "°C");
+let name4 = "Nairobi";
+let temp4 = 20;
+let wind4 = 12;
+showWeather(name4, temp4, wind4);
 
-// Wind chill calculation for City 3
-let windSpeed3 = 25;
-let windChill3 = 13.12 + 0.6215 * tempCelsius3 - 11.37 * Math.pow(windSpeed3, 0.16) + 0.3965 * tempCelsius3 * Math.pow(windSpeed3, 0.16);
-console.log("Wind chill in " + cityName3 + ": " + windChill3.toFixed(2) + "°C");
\ No newline at end of file
+let name5 = "Paris";
+let temp5 = -2;
+let wind5 = 30;
+showWeather(name5, temp5, wind5);
\ No newline at end of file