diff --git a/solutions/day-01/level1.js b/solutions/day-01/level1.js
index ce463e4..d0b6fcd 100644
--- a/solutions/day-01/level1.js
+++ b/solutions/day-01/level1.js
@@ -1,79 +1,102 @@
-let arr1 = []
-  let arr2 = [10,20,30,40,50,60,70]
-  console.log(arr2.length)
-  console.log(arr2[0])
-  console.log(arr2[Math.floor((arr2.length-1)/2)])
-  console.log(arr2[arr2.length-1])
+// let arr1 = []
+//   let arr2 = [10,20,30,40,50,60,70]
+//   console.log(arr2.length)
+//   console.log(arr2[0])
+//   console.log(arr2[Math.floor((arr2.length-1)/2)])
+//   console.log(arr2[arr2.length-1])
 
-  let mixedDataTypes = [1,"Ashim",['Apple','Mango','Jackfruit'],true,3.14,333]
-  console.log(mixedDataTypes.length)
+//   let mixedDataTypes = [1,"Ashim",['Apple','Mango','Jackfruit'],true,3.14,333]
+//   console.log(mixedDataTypes.length)
 
-  let itCompanies = ["Facebook", "Google" , "Microsoft" , "Apple" , "IBM" , "Oracle", "Amazon", "Jio"]
-  console.log(itCompanies)
-  console.log("there are " + itCompanies.length + " IT Companies")
-  console.log("The first company is "+ itCompanies[0])
-  console.log("The last company is "+ itCompanies[itCompanies.length-1])
-  console.log("The middle company is "+ itCompanies[Math.floor((itCompanies.length-1)/2)])
-  console.log("All the IT companies are :"+ itCompanies.join(", "))
-  console.log(itCompanies[0].toUpperCase())
-  console.log(itCompanies[1].toUpperCase())
-  console.log(itCompanies[2].toUpperCase())
-  console.log(itCompanies[3].toUpperCase())
-  console.log(itCompanies[4].toUpperCase())
-  console.log(itCompanies[5].toUpperCase())
-console.log(itCompanies.toString())
+//   let itCompanies = ["Facebook", "Google" , "Microsoft" , "Apple" , "IBM" , "Oracle", "Amazon", "Jio"]
+//   console.log(itCompanies)
+//   console.log("there are " + itCompanies.length + " IT Companies")
+//   console.log("The first company is "+ itCompanies[0])
+//   console.log("The last company is "+ itCompanies[itCompanies.length-1])
+//   console.log("The middle company is "+ itCompanies[Math.floor((itCompanies.length-1)/2)])
+//   console.log("All the IT companies are :"+ itCompanies.join(", "))
+//   console.log(itCompanies[0].toUpperCase())
+//   console.log(itCompanies[1].toUpperCase())
+//   console.log(itCompanies[2].toUpperCase())
+//   console.log(itCompanies[3].toUpperCase())
+//   console.log(itCompanies[4].toUpperCase())
+//   console.log(itCompanies[5].toUpperCase())
+// console.log(itCompanies.toString())
 
-let index = itCompanies.includes("Apples")
+// let index = itCompanies.includes("Apples")
 
-if(index){
-    console.log("The Item exists in the array")
-}else{
-    console.log("The Item does not exist")
-}
-let  reqComp = [];
-for(let i = 0 ; i < itCompanies.length ; i++){
-    if(itCompanies[i].includes('o')){
-       let company =  itCompanies[i].toLowerCase().split('')
-       //console.log(company)
-       let count = 0;
-       for(let j = 0 ; j < company.length ; j++){
-        if(company[j] == 'o'){
-         count += 1;
-        }
-       }
-       if(count > 1){
-        reqComp.push(itCompanies[i])
-      }
-    }
-}
-console.log(reqComp)
+// if(index){
+//     console.log("The Item exists in the array")
+// }else{
+//     console.log("The Item does not exist")
+// }
+// let  reqComp = [];
+// for(let i = 0 ; i < itCompanies.length ; i++){
+//     if(itCompanies[i].includes('o')){
+//        let company =  itCompanies[i].toLowerCase().split('')
+//        //console.log(company)
+//        let count = 0;
+//        for(let j = 0 ; j < company.length ; j++){
+//         if(company[j] == 'o'){
+//          count += 1;
+//         }
+//        }
+//        if(count > 1){
+//         reqComp.push(itCompanies[i])
+//       }
+//     }
+// }
+// console.log(reqComp)
 
-console.log(itCompanies.sort())
-console.log(itCompanies.reverse())
+// console.log(itCompanies.sort())
+// console.log(itCompanies.reverse())
 
-onsole.log(itCompanies.slice(0,3))
-//console.log(itCompanies.splice(4,))
-let length = itCompanies.length
-let lower = Math.floor((length-1)/2)
-let upper = Math.ceil((length-1)/2)
-console.log(lower)
-console.log(upper)
-console.log(itCompanies.slice(lower , upper+1))
+// onsole.log(itCompanies.slice(0,3))
+// //console.log(itCompanies.splice(4,))
+// let length = itCompanies.length
+// let lower = Math.floor((length-1)/2)
+// let upper = Math.ceil((length-1)/2)
+// console.log(lower)
+// console.log(upper)
+// console.log(itCompanies.slice(lower , upper+1))
 
-itCompanies.splice(0,1)
-console.log(itCompanies)
+// itCompanies.splice(0,1)
+// console.log(itCompanies)
 
-let floorMid = Math.floor((length-1)/2)
-let ceilMid = Math.ceil((length-1)/2)
-if(length%2 == 0){
-    itCompanies.splice(floorMid,2)
-}else{
-    itCompanies.splice(floorMid,1)
-}
-console.log(itCompanies)
+// let floorMid = Math.floor((length-1)/2)
+// let ceilMid = Math.ceil((length-1)/2)
+// if(length%2 == 0){
+//     itCompanies.splice(floorMid,2)
+// }else{
+//     itCompanies.splice(floorMid,1)
+// }
+// console.log(itCompanies)
+
+// itCompanies.splice(itCompanies.length-1,1)
+// console.log(itCompanies)
+
+// itCompanies.splice(0)
+// console.log(itCompanies)
 
-itCompanies.splice(itCompanies.length-1,1)
-console.log(itCompanies)
 
-itCompanies.splice(0)
-console.log(itCompanies)
\ No newline at end of file
+let dogs = {}
+
+console.log(dogs)
+dogs.name = "Tommy";
+dogs.legs = 4;
+dogs.color = "brown";
+dogs.age = 5
+dogs.bark = function(){
+    return "woof woof";
+}
+console.log(dogs.name)
+console.log(dogs.legs)
+console.log(dogs.age)
+console.log(dogs.color)
+console.log(dogs.bark())
+
+dogs.breed = "germen sheford"
+dogs.getDogInfo = function(){
+    return `name: ${this.name} , color : ${this.color} , age : ${this.age} , breed : ${this.breed}`
+}
+console.log(dogs.getDogInfo());
\ No newline at end of file
diff --git a/solutions/day-01/level2.mjs b/solutions/day-01/level2.mjs
index c3f0cfe..835949d 100644
--- a/solutions/day-01/level2.mjs
+++ b/solutions/day-01/level2.mjs
@@ -1,51 +1,137 @@
-import webTechs from "./web_techs.mjs";
-import countries from "./countries.mjs";
+// import webTechs from "./web_techs.mjs";
+// import countries from "./countries.mjs";
 
-// console.log(webTechs)
-// console.log(countries)
+// // console.log(webTechs)
+// // console.log(countries)
 
-let text =
-  'I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// let text =
+//   'I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
 
-  let words = text.split(" ") 
-console.log(words)
-console.log(words.length)
+//   let words = text.split(" ") 
+// console.log(words)
+// console.log(words.length)
 
-const shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey']
+// const shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey']
 
-if(shoppingCart[0]!="Meat"){
-    shoppingCart.unshift("Meat")
-}console.log(shoppingCart)
+// if(shoppingCart[0]!="Meat"){
+//     shoppingCart.unshift("Meat")
+// }console.log(shoppingCart)
 
-if(shoppingCart[shoppingCart.length-1]!="Sugar"){
-    shoppingCart.push("Sugar")
-}console.log(shoppingCart)
+// if(shoppingCart[shoppingCart.length-1]!="Sugar"){
+//     shoppingCart.push("Sugar")
+// }console.log(shoppingCart)
 
 
-const Allergy = true
+// const Allergy = true
 
-if(Allergy==true){
-    let i = shoppingCart.indexOf('Honey')
-    shoppingCart.splice(i,1)
-}console.log(shoppingCart)
+// if(Allergy==true){
+//     let i = shoppingCart.indexOf('Honey')
+//     shoppingCart.splice(i,1)
+// }console.log(shoppingCart)
 
-let index = shoppingCart.indexOf('Tea')
-shoppingCart[index] = 'Green Tea'
-console.log(shoppingCart)
+// let index = shoppingCart.indexOf('Tea')
+// shoppingCart[index] = 'Green Tea'
+// console.log(shoppingCart)
 
-if(countries.includes("Ethiopia")){
-    console.log("ETHIOPIA")
-}else{
-    countries.push('Ethiopia')
-}
+// if(countries.includes("Ethiopia")){
+//     console.log("ETHIOPIA")
+// }else{
+//     countries.push('Ethiopia')
+// }
+
+// if(webTechs.includes('Sass')){
+//     console.log("sass is a css preprocessor")
+// }else{
+//     webTechs.push("Sass")
+// }console.log(webTechs)
 
-if(webTechs.includes('Sass')){
-    console.log("sass is a css preprocessor")
-}else{
-    webTechs.push("Sass")
-}console.log(webTechs)
+// const frontEnd = ['HTML', 'CSS', 'JS', 'React', 'Redux']
+// const backEnd = ['Node', 'Express', 'MongoDB']
+// let fullStack = frontEnd.concat(backEnd)
+// console.log(fullStack)
 
-const frontEnd = ['HTML', 'CSS', 'JS', 'React', 'Redux']
-const backEnd = ['Node', 'Express', 'MongoDB']
-let fullStack = frontEnd.concat(backEnd)
-console.log(fullStack)
\ No newline at end of file
+const users = {
+    Alex: {
+      email: 'alex@alex.com',
+      skills: ['HTML', 'CSS', 'JavaScript'],
+      age: 20,
+      isLoggedIn: false,
+      points: 30
+    },
+    Asab: {
+      email: 'asab@asab.com',
+      skills: ['HTML', 'CSS', 'JavaScript', 'Redux', 'MongoDB', 'Express', 'React', 'Node'],
+      age: 25,
+      isLoggedIn: false,
+      points: 50
+    },
+    Brook: {
+      email: 'daniel@daniel.com',
+      skills: ['HTML', 'CSS', 'JavaScript', 'React', 'Redux'],
+      age: 30,
+      isLoggedIn: true,
+      points: 50
+    },
+    Daniel: {
+      email: 'daniel@alex.com',
+      skills: ['HTML', 'CSS', 'JavaScript', 'Python'],
+      age: 20,
+      isLoggedIn: false,
+      points: 40
+    },
+    John: {
+      email: 'john@john.com',
+      skills: ['HTML', 'CSS', 'JavaScript', 'React', 'Redux', 'Node.js'],
+      age: 20,
+      isLoggedIn: true,
+      points: 50
+    },
+    Thomas: {
+      email: 'thomas@thomas.com',
+      skills: ['HTML', 'CSS', 'JavaScript', 'React'],
+      age: 20,
+      isLoggedIn: false,
+      points: 40
+    },
+    Paul: {
+      email: 'paul@paul.com',
+      skills: ['HTML', 'CSS', 'JavaScript', 'MongoDB', 'Express', 'React', 'Node'],
+      age: 20,
+      isLoggedIn: false,
+      points: 40
+    }
+  }
+let mostSkills = 0;
+let mostSkilled = null;
+let loggedin = [];
+let pointsMoreThan50 = [];
+let mern = [];
+for ( const user in users){
+    if(users[user].skills.length > mostSkills){
+        mostSkills = users[user].skills.length;
+        mostSkilled = user
+    }
+    if(users[user].isLoggedIn){
+        loggedin.push(user)
+    }
+    if(users[user].points >= 50){
+        pointsMoreThan50.push(user)
+    }
+    if(users[user].skills.includes('MongoDB','Express','React','Node')){
+       mern.push(user)
+    }
+}
+// console.log(mostSkilled)
+// console.log(loggedin)
+// console.log(pointsMoreThan50)
+console.log(mern)
+
+users.Ashim = {email : "ashimdebanth6767@gmail.com",
+               skills :['HTML','CSS','Javascript','MongoDB','Express','React','Node'],
+               age : 21,
+               isLoggedIn : true,
+               points : 40
+}
+console.log(users)
+console.log(Object.keys(users))
+console.log(Object.values(users))
\ No newline at end of file
diff --git a/solutions/day-01/level3.js b/solutions/day-01/level3.js
deleted file mode 100644
index e69de29..0000000
diff --git a/solutions/day-01/level3.mjs b/solutions/day-01/level3.mjs
new file mode 100644
index 0000000..db2e4f1
--- /dev/null
+++ b/solutions/day-01/level3.mjs
@@ -0,0 +1,20 @@
+import countries from "./countries.mjs"
+const ages = [19, 22, 19, 24, 20, 25, 26, 24, 25, 24]
+ages.sort()
+console.log(ages)
+console.log("min age = "+ages[0])
+console.log("max age= "+ ages[ages.length-1])
+let start = Math.floor((ages.length-1)/2)
+let end = Math.ceil((ages.length-1)/2)
+console.log("median age is= "+ ages.slice(start,end+1))
+let sum =0;
+for(let i =0 ; i< ages.length ; i++){
+    sum+= ages[i]
+}
+console.log("average age = "+ sum/ages.length)
+console.log("Range of age = " + (ages[ages.length-1]-ages[0]))
+
+console.log(countries.slice(0,10))
+let start1 = Math.floor((countries.length-1)/2)
+let end1 = Math.ceil((countries.length-1)/2)
+console.log("median age is= "+ countries.slice(start1,end1+1))
\ No newline at end of file
diff --git a/solutions/day-01/tempCodeRunnerFile.mjs b/solutions/day-01/tempCodeRunnerFile.mjs
new file mode 100644
index 0000000..da29aa5
--- /dev/null
+++ b/solutions/day-01/tempCodeRunnerFile.mjs
@@ -0,0 +1,3 @@
+console.log(mostSkilled)
+// console.log(loggedin)
+// console.log(pointsMoreThan50)
\ No newline at end of file