From 73822e7e4b7464366584fea4352cff876a98407b Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Sun, 18 Sep 2022 22:47:42 +0100
Subject: [PATCH 01/11] Complete A

---
 1-exercises/A-undefined/exercise.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
index 0acfc78d..0d50ebb3 100644
--- a/1-exercises/A-undefined/exercise.js
+++ b/1-exercises/A-undefined/exercise.js
@@ -10,13 +10,13 @@
 */
 
 // Example 1
-let a;
+let a; // variable a hasn't assigned the value
 console.log(a);
 
 
 // Example 2
 function sayHello() {
-    let message = "Hello";
+    let message = "Hello"; // there is no return value inside the function
 }
 
 let hello = sayHello();
@@ -28,9 +28,9 @@ function sayHelloToUser(user) {
     console.log(`Hello ${user}`);
 }
 
-sayHelloToUser();
+sayHelloToUser(); //there is no argument
 
 
 // Example 4
 let arr = [1,2,3];
-console.log(arr[3]);
+console.log(arr[3]); //index 3 is not assigned the value in array

From 3f07a1e19e1dc4e2cec1aa7e4e9efeb3265857f0 Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Tue, 20 Sep 2022 10:53:11 +0100
Subject: [PATCH 02/11] Complete B-while-loop

---
 1-exercises/A-undefined/exercise.js             |  2 +-
 1-exercises/B-while-loop/exercise.js            |  8 +++++++-
 1-exercises/C-while-loop-with-array/exercise.js | 10 +++++++---
 1-exercises/D-do-while/exercise.js              |  5 +++++
 4 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
index 0d50ebb3..cbf5c43c 100644
--- a/1-exercises/A-undefined/exercise.js
+++ b/1-exercises/A-undefined/exercise.js
@@ -33,4 +33,4 @@ sayHelloToUser(); //there is no argument
 
 // Example 4
 let arr = [1,2,3];
-console.log(arr[3]); //index 3 is not assigned the value in array
+console.log(arr[3]); //index 3 is not assigned in array arr
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index b459888f..ac086b40 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -6,7 +6,13 @@
 */
 
 function evenNumbers(n) {
-    // TODO
+   let str = "";
+   let i = 0;
+   while(i < 10){
+    str += i + ",";
+    i+= 2;
+   }
+   console.log(str);
 }
 
 evenNumbers(3); // should output 0,2,4
diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
index d584cd75..d80c4910 100644
--- a/1-exercises/C-while-loop-with-array/exercise.js
+++ b/1-exercises/C-while-loop-with-array/exercise.js
@@ -16,8 +16,12 @@ const BIRTHDAYS = [
     "November 15th"
 ];
 
-function findFirstJulyBDay(birthdays) {
-    // TODO
-}
+ function findFirstJulyBDay(birthdays) {
+     let i = 0;
+     while(i < BIRTHDAYS.length){
+        return BIRTHDAYS[5];
+    }
+ }
 
 console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
+//console.log(BIRTHDAYS[5]);
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index f10d0764..c71f2a1d 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -8,6 +8,11 @@
 
 function evenNumbersSum(n) {
     // TODO
+    let i = 0;
+    do{
+        return n * (n+1);
+        i--;
+    }while(i < 20);
 }
 
 console.log(evenNumbersSum(3)); // should output 6

From 0fe036ffa8cf0a273b0afa966008c16151ec50f2 Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Wed, 21 Sep 2022 21:46:42 +0100
Subject: [PATCH 03/11] Complete exercise E-for-loop

---
 1-exercises/A-undefined/exercise.js            |  2 +-
 1-exercises/B-while-loop/exercise.js           | 18 ++++++++++--------
 .../C-while-loop-with-array/exercise.js        |  7 +++++--
 1-exercises/D-do-while/exercise.js             | 17 +++++++++++------
 1-exercises/E-for-loop/exercise1.js            |  5 ++---
 1-exercises/E-for-loop/exercise2.js            |  5 +++++
 6 files changed, 34 insertions(+), 20 deletions(-)

diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
index cbf5c43c..e3ee07d5 100644
--- a/1-exercises/A-undefined/exercise.js
+++ b/1-exercises/A-undefined/exercise.js
@@ -33,4 +33,4 @@ sayHelloToUser(); //there is no argument
 
 // Example 4
 let arr = [1,2,3];
-console.log(arr[3]); //index 3 is not assigned in array arr
+console.log(arr[3]); //index 3 doesn't exit
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index ac086b40..bf4127c0 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -6,14 +6,16 @@
 */
 
 function evenNumbers(n) {
-   let str = "";
-   let i = 0;
-   while(i < 10){
-    str += i + ",";
-    i+= 2;
-   }
-   console.log(str);
-}
+  let arr = [];
+  let counter = 0;
+  let evenNo = 0;
+     while (counter < n) {
+        arr.push(evenNo);
+        evenNo += 2;
+        counter++;
+    }
+   console.log(arr.join());
+ }
 
 evenNumbers(3); // should output 0,2,4
 evenNumbers(0); // should output nothing
diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
index d80c4910..79a1ac80 100644
--- a/1-exercises/C-while-loop-with-array/exercise.js
+++ b/1-exercises/C-while-loop-with-array/exercise.js
@@ -18,8 +18,11 @@ const BIRTHDAYS = [
 
  function findFirstJulyBDay(birthdays) {
      let i = 0;
-     while(i < BIRTHDAYS.length){
-        return BIRTHDAYS[5];
+     while(i < birthdays.length){
+        if (birthdays[i].includes("July")) {
+           return birthdays[i];
+        }
+      i++;
     }
  }
 
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index c71f2a1d..1d49d5e1 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -7,12 +7,17 @@
 */
 
 function evenNumbersSum(n) {
-    // TODO
-    let i = 0;
-    do{
-        return n * (n+1);
-        i--;
-    }while(i < 20);
+
+    let arr = [];
+    let counter = 0;
+    let sum = 0;
+    do {
+       arr.push(sum);
+       sum += 2;
+       counter ++;
+    } while(counter < n);
+
+    console.log(sum);
 }
 
 console.log(evenNumbersSum(3)); // should output 6
diff --git a/1-exercises/E-for-loop/exercise1.js b/1-exercises/E-for-loop/exercise1.js
index db5fac64..63f77dad 100644
--- a/1-exercises/E-for-loop/exercise1.js
+++ b/1-exercises/E-for-loop/exercise1.js
@@ -6,9 +6,8 @@
 
 
 // Change the below code to use a for loop instead of a while loop.
-let i = 0;
-while(i < 26) {
+
+for (let i = 0; i < 26; i++) {
     console.log(String.fromCharCode(97 + i));
-    i++;
 }
 // The output shouldn't change.
diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js
index 081002b2..38d1f6c4 100644
--- a/1-exercises/E-for-loop/exercise2.js
+++ b/1-exercises/E-for-loop/exercise2.js
@@ -28,6 +28,11 @@ const AGES = [
 
 // TODO - Write for loop code here
 
+for (let i = 0; i < WRITERS.length; i++){
+
+       console.log (`${WRITERS[i]} is ${AGES[i]} years old`);
+}
+
 /*
 The output should look something like this:
 

From 1c74a6b0677590b0c6b7c650cfa17c6d301a7071 Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Wed, 21 Sep 2022 21:58:33 +0100
Subject: [PATCH 04/11] Complete exercise F-for-of-loop

---
 1-exercises/F-for-of-loop/exercise.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js
index 65585c6a..a732024d 100644
--- a/1-exercises/F-for-of-loop/exercise.js
+++ b/1-exercises/F-for-of-loop/exercise.js
@@ -11,6 +11,14 @@ let tubeStations = [
     "Tottenham Court Road"
 ];
 
+for (let x of tubeStations){
+    console.log(x);
+}
+
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
+
+for (let x of str){
+   console.log(x.toUpperCase());
+}

From 4437b740fe5d5d55751e784f687dc36db91e4f2e Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Wed, 21 Sep 2022 22:15:03 +0100
Subject: [PATCH 05/11] Complete exercise D-do-while

---
 1-exercises/D-do-while/exercise.js | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index 1d49d5e1..83077afa 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -8,18 +8,21 @@
 
 function evenNumbersSum(n) {
 
-    let arr = [];
+    //let arr = [];
     let counter = 0;
     let sum = 0;
+    let evenNo = 0;
     do {
-       arr.push(sum);
-       sum += 2;
-       counter ++;
-    } while(counter < n);
+       
+        sum += evenNo;
+        evenNo += 2;
+        counter ++;
 
-    console.log(sum);
+    } while(counter < n);
+  return sum;
 }
 
 console.log(evenNumbersSum(3)); // should output 6
 console.log(evenNumbersSum(0)); // should output 0
-console.log(evenNumbersSum(10)); // should output 90
\ No newline at end of file
+console.log(evenNumbersSum(10)); // should output 90
+console.log(evenNumbersSum(20));
\ No newline at end of file

From b20549f9fa25d05376d1016069469bfa9eea8faf Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Thu, 22 Sep 2022 21:01:55 +0100
Subject: [PATCH 06/11] Complete mandatory weather-report

---
 2-mandatory/1-weather-report.js          |  6 +++++-
 2-mandatory/2-retrying-random-numbers.js | 11 ++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
index dcc2bdb0..a6ea828a 100644
--- a/2-mandatory/1-weather-report.js
+++ b/2-mandatory/1-weather-report.js
@@ -12,7 +12,11 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+   let arr = [];
+   for (let i=0; i<cities.length; i++){
+        arr.push(`The temperature in ${cities[i]} is ${temperatureService(cities[i])} degrees`);
+   }
+   return arr;
 }
 
 
diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
index 10aab37d..73fd9594 100644
--- a/2-mandatory/2-retrying-random-numbers.js
+++ b/2-mandatory/2-retrying-random-numbers.js
@@ -9,8 +9,17 @@ function generateRandomNumber() {
     return Math.round(Math.random() * 100);
 }
 
-function getRandomNumberGreaterThan50() {
+function getRandomNumberGreaterThan50(n) {
     // TODO - implement using a do-while loop
+    let i = 0;
+    do{
+        let randomNum = generateRandomNumber();
+        if(randomNum > 50){
+            return randomNum;
+        } 
+     i++;
+
+    }while(n < 51)
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

From 011b4f339ad5db6a1b5b92590ec12287f3e4830f Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Fri, 23 Sep 2022 06:34:43 +0100
Subject: [PATCH 07/11] Complete mandatory 2-retrying-random numbers

---
 2-mandatory/2-retrying-random-numbers.js | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
index 73fd9594..3e271a75 100644
--- a/2-mandatory/2-retrying-random-numbers.js
+++ b/2-mandatory/2-retrying-random-numbers.js
@@ -9,17 +9,18 @@ function generateRandomNumber() {
     return Math.round(Math.random() * 100);
 }
 
-function getRandomNumberGreaterThan50(n) {
+function getRandomNumberGreaterThan50() {
     // TODO - implement using a do-while loop
     let i = 0;
     do{
+
         let randomNum = generateRandomNumber();
-        if(randomNum > 50){
-            return randomNum;
-        } 
-     i++;
+        if (randomNum > 50){
+           return randomNum;
+        }
+       i++; 
+    } while(i < 51)
 
-    }while(n < 51)
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

From 3ef41c85db3122bca12a795695cd19bc6727972a Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Fri, 23 Sep 2022 21:54:10 +0100
Subject: [PATCH 08/11] Complete extra 1-factorial

---
 2-mandatory/1-weather-report.js          |  2 +-
 2-mandatory/2-retrying-random-numbers.js |  2 +-
 2-mandatory/3-financial-times.js         | 20 ++++++++++++++++----
 3-extra/1-factorial.js                   |  9 ++++++++-
 4 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
index a6ea828a..a24fb80f 100644
--- a/2-mandatory/1-weather-report.js
+++ b/2-mandatory/1-weather-report.js
@@ -14,7 +14,7 @@
 function getTemperatureReport(cities) {
    let arr = [];
    for (let i=0; i<cities.length; i++){
-        arr.push(`The temperature in ${cities[i]} is ${temperatureService(cities[i])} degrees`);
+      arr.push(`The temperature in ${cities[i]} is ${temperatureService(cities[i])} degrees`);
    }
    return arr;
 }
diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
index 3e271a75..c72ccfd6 100644
--- a/2-mandatory/2-retrying-random-numbers.js
+++ b/2-mandatory/2-retrying-random-numbers.js
@@ -17,7 +17,7 @@ function getRandomNumberGreaterThan50() {
         let randomNum = generateRandomNumber();
         if (randomNum > 50){
            return randomNum;
-        }
+         }
        i++; 
     } while(i < 51)
 
diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
index 2ce6fb73..342480bf 100644
--- a/2-mandatory/3-financial-times.js
+++ b/2-mandatory/3-financial-times.js
@@ -5,8 +5,14 @@
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
 function potentialHeadlines(allArticleTitles) {
-    // TODO
-}
+    let arr = [];
+    for (let i = 0; i < allArticleTitles.length; i++){
+        if(allArticleTitles[i] <= 65){
+            arr.push(allArticleTitles[i]);
+        }
+      }
+    return arr;
+ }
 
 /*
     The editor of the FT likes short headlines with only a few words!
@@ -23,7 +29,13 @@ function titleWithFewestWords(allArticleTitles) {
     (Hint: remember that you can also loop through the characters of a string if you need to)
 */
 function headlinesWithNumbers(allArticleTitles) {
-    // TODO
+    let arr = [];
+    for (let i = 0; i < allArticleTitles; i++){
+        if(allArticleTitles.includes()){
+
+        }
+      return arr;
+    }
 }
 
 /*
@@ -31,7 +43,7 @@ function headlinesWithNumbers(allArticleTitles) {
     Implement the function below to return this number - rounded to the nearest integer.
 */
 function averageNumberOfCharacters(allArticleTitles) {
-    // TODO
+    
 }
 
 
diff --git a/3-extra/1-factorial.js b/3-extra/1-factorial.js
index 31f8052c..9273789b 100644
--- a/3-extra/1-factorial.js
+++ b/3-extra/1-factorial.js
@@ -9,7 +9,14 @@
 */
 
 function factorial(input) {
-    // TODO
+    if (input === 0 || input === 1){
+        return 1;
+    }
+
+    for (let i = input - 1; i >= 1; i--){
+        input *= i;
+    }
+  return input;
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

From 625e8484acc699d4267efebdad88c7f28c11bd5e Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Fri, 23 Sep 2022 22:37:12 +0100
Subject: [PATCH 09/11] Complete extra 3-fibonacci

---
 3-extra/3-fibonacci.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/3-extra/3-fibonacci.js b/3-extra/3-fibonacci.js
index 9ef9aec7..1c384160 100644
--- a/3-extra/3-fibonacci.js
+++ b/3-extra/3-fibonacci.js
@@ -14,7 +14,12 @@
 */
 
 function generateFibonacciSequence(n) {
-    // TODO
+  const fib = [0, 1];
+    
+  for (let i = 2; i < n; i++) {
+    fib[i] = fib[i-1] + fib[i-2];
+  }
+  return fib;
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

From 9991148fb6d4a976f3d97c25f05420792f1e755b Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Fri, 23 Sep 2022 22:43:44 +0100
Subject: [PATCH 10/11] Final push

---
 1-exercises/B-while-loop/exercise.js |  6 +++---
 1-exercises/D-do-while/exercise.js   | 10 ++++------
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index bf4127c0..a0fa37cf 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -8,10 +8,10 @@
 function evenNumbers(n) {
   let arr = [];
   let counter = 0;
-  let evenNo = 0;
+  let evenNum = 0;
      while (counter < n) {
-        arr.push(evenNo);
-        evenNo += 2;
+        arr.push(evenNum);
+        evenNum += 2;
         counter++;
     }
    console.log(arr.join());
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index 83077afa..3217be51 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -7,18 +7,16 @@
 */
 
 function evenNumbersSum(n) {
-
-    //let arr = [];
     let counter = 0;
     let sum = 0;
-    let evenNo = 0;
+    let evenNum = 0;
     do {
-       
-        sum += evenNo;
-        evenNo += 2;
+        sum += evenNum;
+        evenNum += 2;
         counter ++;
 
     } while(counter < n);
+    
   return sum;
 }
 

From 73082b6be2a681342180bc2e4c1348a9ecdd2495 Mon Sep 17 00:00:00 2001
From: Zaw Khing <42835438+ZawKhing@users.noreply.github.com>
Date: Mon, 26 Sep 2022 12:04:58 +0100
Subject: [PATCH 11/11] Save

---
 1-exercises/B-while-loop/exercise.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index a0fa37cf..8ce20116 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -12,7 +12,7 @@ function evenNumbers(n) {
      while (counter < n) {
         arr.push(evenNum);
         evenNum += 2;
-        counter++;
+        counter ++;
     }
    console.log(arr.join());
  }