From eb5af7d52b4af340f8ba7e242dde46db4f06c108 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Thu, 14 Jul 2022 00:30:48 +0200
Subject: [PATCH 1/9] complete exercises A and B

---
 1-exercises/A-undefined/exercise.js  | 17 +++++++----------
 1-exercises/B-while-loop/exercise.js | 12 +++++++++---
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
index 0acfc78d..0a934d88 100644
--- a/1-exercises/A-undefined/exercise.js
+++ b/1-exercises/A-undefined/exercise.js
@@ -11,26 +11,23 @@
 
 // Example 1
 let a;
-console.log(a);
-
+console.log(a); // A VARIABLE HAS BEEN DEFINED BUT NOT ASSIGNED A VALUE, THEREFORE IT WILL RETURN AN UNDEFINED VALUE WHEN ACCESSING THE VARIABLE.
 
 // Example 2
 function sayHello() {
-    let message = "Hello";
+  let message = "Hello"; // A FUNCTION WITH THAT DOES NOT HAVE A RETURN WILL COME BACK AS UNDEFINED.
 }
 
-let hello = sayHello();
-console.log(hello);
-
+let hello = sayHello(); // sayHello IN THIS CASE IS NOT A COMPLETED FUNCTION SO WILL DO NOTHING WHEN CALLED UPON.
+console.log(hello); // THE OUTPUT OF WHICH, GIVES AN UNDEFINED MESSAGE.
 
 // Example 3
 function sayHelloToUser(user) {
-    console.log(`Hello ${user}`);
+  console.log(`Hello ${user}`); // THE PARAMETER REQUIRES AN ARGUMENT WHEN THE FUNCTION IS CALLED. ARGUMENT IN THIS CASE IS BLANK SO THE OUTPUT IS UNDEFINED.
 }
 
 sayHelloToUser();
 
-
 // Example 4
-let arr = [1,2,3];
-console.log(arr[3]);
+let arr = [1, 2, 3]; // THIS ARRAY CONSISTS OF ONLY 3 NUMBERS WITH AN INDEX THAT STARTS AT ZERO, SO THE HIGHEST NUMBER IS 2
+console.log(arr[3]); // AND THE USER IS TRYING TO ACCESS A FOURTH NUMBER WHICH WOULD HAVE HAD AN INDEX NUMBER OF 3 WERE IT
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index b459888f..b7fc79e2 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -5,10 +5,16 @@
     The list of numbers should start with 0. n is being passed in as a parameter.
 */
 
+i = 0;
+const numbers = [];
 function evenNumbers(n) {
-    // TODO
+  while (numbers.length < n) {
+    numbers.push(i);
+    i += 2;
+  }
+  console.log(numbers.toString());
 }
 
 evenNumbers(3); // should output 0,2,4
-evenNumbers(0); // should output nothing
-evenNumbers(10); // should output 0,2,4,6,8,10,12,14,16,18
+// evenNumbers(0); // should output nothing
+// evenNumbers(10); // should output 0,2,4,6,8,10,12,14,16,18

From 11a3df40a1e608aabe9a74ad6d6fd70bbff088e1 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Fri, 15 Jul 2022 23:07:27 +0200
Subject: [PATCH 2/9] complete exercises B - C

---
 .vscode/launch.json                           |  7 ++++
 1-exercises/B-while-loop/exercise.js          |  4 +--
 .../C-while-loop-with-array/exercise.js       | 32 ++++++++++++-------
 1-exercises/D-do-while/exercise.js            | 26 ++++++++++++---
 4 files changed, 50 insertions(+), 19 deletions(-)
 create mode 100644 .vscode/launch.json

diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 00000000..5c7247b4
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,7 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}
\ No newline at end of file
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index b7fc79e2..91d421e1 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -15,6 +15,6 @@ function evenNumbers(n) {
   console.log(numbers.toString());
 }
 
-evenNumbers(3); // should output 0,2,4
+// evenNumbers(3); // should output 0,2,4
 // evenNumbers(0); // should output nothing
-// evenNumbers(10); // should output 0,2,4,6,8,10,12,14,16,18
+evenNumbers(10); // should output 0,2,4,6,8,10,12,14,16,18
diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
index d584cd75..58d2583e 100644
--- a/1-exercises/C-while-loop-with-array/exercise.js
+++ b/1-exercises/C-while-loop-with-array/exercise.js
@@ -5,19 +5,27 @@
 */
 
 const BIRTHDAYS = [
-    "January 7th",
-    "February 12th",
-    "April 3rd",
-    "April 5th",
-    "May 3rd",
-    "July 11th",
-    "July 17th",
-    "September 28th",
-    "November 15th"
+  "January 7th",
+  "February 12th",
+  "April 3rd",
+  "April 5th",
+  "May 3rd",
+  "July 11th",
+  "July 17th",
+  "September 28th",
+  "November 15th",
 ];
-
+let i = 0;
 function findFirstJulyBDay(birthdays) {
-    // TODO
+  // TODO
+  while (i < birthdays.length) {
+    if (birthdays[i].includes("July")) {
+      return birthdays[i];
+    }
+    i++;
+  }
 }
 
-console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
+console.log(findFirstJulyBDay(BIRTHDAYS));
+
+// console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index f10d0764..c4ac1096 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -6,10 +6,26 @@
     Using a do-while loop, write a function which returns the sum of the first n even numbers (starting from 0)
 */
 
-function evenNumbersSum(n) {
-    // TODO
+// function evenNumbersSum(n) {
+// TODO
+//   i = 0;
+//   const numbers = [];
+//   let multiply = function (number) {
+//     return (number *= number);
+//   };
+//   do {
+//     numbers.push(n);
+
+//     let total = numbers.map(multiply);
+//     i += 2;
+//     return total.toString();
+//   } while (numbers.length < i);
+// }
+
+function sumOfArray(n) {
+  return n;
 }
 
-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(3)); // should output 6
+// console.log(evenNumbersSum(0)); // should output 0
+// console.log(evenNumbersSum(10)); // should output 90

From 5c901ef1f81092186f1fb89c91d62ed14e860041 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Wed, 10 Aug 2022 00:13:13 +0200
Subject: [PATCH 3/9] Update exercise.js

---
 1-exercises/D-do-while/exercise.js | 31 +++++++++++-------------------
 1 file changed, 11 insertions(+), 20 deletions(-)

diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index c4ac1096..8293b19c 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -6,26 +6,17 @@
     Using a do-while loop, write a function which returns the sum of the first n even numbers (starting from 0)
 */
 
-// function evenNumbersSum(n) {
-// TODO
-//   i = 0;
-//   const numbers = [];
-//   let multiply = function (number) {
-//     return (number *= number);
-//   };
-//   do {
-//     numbers.push(n);
+function evenNumbersSum(n) {
+  i = 0;
+  sum = 0;
+  do {
+    sum = sum + i * 2;
+    i++;
+  } while (i < n);
 
-//     let total = numbers.map(multiply);
-//     i += 2;
-//     return total.toString();
-//   } while (numbers.length < i);
-// }
-
-function sumOfArray(n) {
-  return n;
+  return sum;
 }
 
-// console.log(evenNumbersSum(3)); // should output 6
-// console.log(evenNumbersSum(0)); // should output 0
-// console.log(evenNumbersSum(10)); // should output 90
+console.log(evenNumbersSum(3)); // should output 6
+console.log(evenNumbersSum(0)); // should output 0
+console.log(evenNumbersSum(10)); // should output 90

From a413703e5e26d1848e98044354e0e82728f30e76 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Thu, 11 Aug 2022 01:30:19 +0200
Subject: [PATCH 4/9] update exercises

---
 1-exercises/E-for-loop/exercise1.js   |  9 +++------
 1-exercises/E-for-loop/exercise2.js   | 24 ++++++++++--------------
 1-exercises/F-for-of-loop/exercise.js | 17 +++++++++++------
 3 files changed, 24 insertions(+), 26 deletions(-)

diff --git a/1-exercises/E-for-loop/exercise1.js b/1-exercises/E-for-loop/exercise1.js
index db5fac64..d027a5f7 100644
--- a/1-exercises/E-for-loop/exercise1.js
+++ b/1-exercises/E-for-loop/exercise1.js
@@ -4,11 +4,8 @@
     Change the while loop below into a for loop.
 */
 
-
 // Change the below code to use a for loop instead of a while loop.
-let i = 0;
-while(i < 26) {
-    console.log(String.fromCharCode(97 + i));
-    i++;
-}
+
+for (let i = 0; i < 26; i++) console.log(String.fromCharCode(97 + 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..f5231b10 100644
--- a/1-exercises/E-for-loop/exercise2.js
+++ b/1-exercises/E-for-loop/exercise2.js
@@ -11,23 +11,19 @@
 */
 
 const WRITERS = [
-    "Virginia Woolf",
-    "Zadie Smith",
-    "Jane Austen",
-    "Bell Hooks",
-    "Yukiko Motoya"
-]
-
-const AGES = [
-    59,
-    40,
-    41,
-    63,
-    49
+  "Virginia Woolf",
+  "Zadie Smith",
+  "Jane Austen",
+  "Bell Hooks",
+  "Yukiko Motoya",
 ];
 
-// TODO - Write for loop code here
+const AGES = [59, 40, 41, 63, 49];
 
+// 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:
 
diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js
index 65585c6a..9a87d1ed 100644
--- a/1-exercises/F-for-of-loop/exercise.js
+++ b/1-exercises/F-for-of-loop/exercise.js
@@ -4,13 +4,18 @@
 
 // TODO Use a for-of loop to output each of the tube stations below.
 let tubeStations = [
-    "Aldgate",
-    "Baker Street",
-    "Picadilly Circus",
-    "Oxford Street",
-    "Tottenham Court Road"
+  "Aldgate",
+  "Baker Street",
+  "Picadilly Circus",
+  "Oxford Street",
+  "Tottenham Court Road",
 ];
-
+for (let i of tubeStations) {
+  console.log(i);
+}
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
+for (let i of "codeyourfuture") {
+  console.log(i.toUpperCase());
+}

From 2395e35391c4fb14506b6e772f94985f7aca82d7 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Thu, 11 Aug 2022 18:14:07 +0200
Subject: [PATCH 5/9] Update 1-weather-report.js

---
 2-mandatory/1-weather-report.js | 72 ++++++++++++++++-----------------
 1 file changed, 36 insertions(+), 36 deletions(-)

diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
index dcc2bdb0..ca8f044d 100644
--- a/2-mandatory/1-weather-report.js
+++ b/2-mandatory/1-weather-report.js
@@ -2,7 +2,7 @@
     Imagine we're making a weather app!
     
     We have a list of cities that the user wants to track.
-    We also already have a temperatureService function which will take a city as a parameter and return a temparature.
+    We also already have a temperatureService function which will take a city as a parameter and return a temperature.
 
     Implement the function below:
         - take the array of cities as a parameter
@@ -12,52 +12,52 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+  let result = cities.map(
+    (element) =>
+      "The temperature in " +
+      element +
+      " is " +
+      temperatureService(element) +
+      " degrees"
+  );
+  return result;
 }
 
-
 /* ======= TESTS - DO NOT MODIFY ===== */
 
 function temperatureService(city) {
-    let temparatureMap  = new Map();
-
-    temparatureMap.set('London', 10);
-    temparatureMap.set('Paris', 12);
-    temparatureMap.set('Barcelona', 17);
-    temparatureMap.set('Dubai', 27);
-    temparatureMap.set('Mumbai', 29);
-    temparatureMap.set('São Paulo', 23);
-    temparatureMap.set('Lagos', 33);
-    
-    return temparatureMap.get(city);
+  let temperatureMap = new Map();
+
+  temperatureMap.set("London", 10);
+  temperatureMap.set("Paris", 12);
+  temperatureMap.set("Barcelona", 17);
+  temperatureMap.set("Dubai", 27);
+  temperatureMap.set("Mumbai", 29);
+  temperatureMap.set("São Paulo", 23);
+  temperatureMap.set("Lagos", 33);
+
+  return temperatureMap.get(city);
 }
 
 test("should return a temperature report for the user's cities", () => {
-    let usersCities = [
-        "London",
-        "Paris",
-        "São Paulo"
-    ]
-
-    expect(getTemperatureReport(usersCities)).toEqual([
-        "The temperature in London is 10 degrees",
-        "The temperature in Paris is 12 degrees",
-        "The temperature in São Paulo is 23 degrees"
-    ]);
+  let usersCities = ["London", "Paris", "São Paulo"];
+
+  expect(getTemperatureReport(usersCities)).toEqual([
+    "The temperature in London is 10 degrees",
+    "The temperature in Paris is 12 degrees",
+    "The temperature in São Paulo is 23 degrees",
+  ]);
 });
 
 test("should return a temperature report for the user's cities (alternate input)", () => {
-    let usersCities = [
-        "Barcelona",
-        "Dubai"
-    ]
-
-    expect(getTemperatureReport(usersCities)).toEqual([
-        "The temperature in Barcelona is 17 degrees",
-        "The temperature in Dubai is 27 degrees"
-    ]);
+  let usersCities = ["Barcelona", "Dubai"];
+
+  expect(getTemperatureReport(usersCities)).toEqual([
+    "The temperature in Barcelona is 17 degrees",
+    "The temperature in Dubai is 27 degrees",
+  ]);
 });
 
 test("should return an empty array if the user hasn't selected any cities", () => {
-    expect(getTemperatureReport([])).toEqual([]);
-});
\ No newline at end of file
+  expect(getTemperatureReport([])).toEqual([]);
+});

From 310a4f86d67450b06ab2f85097d114dfa78d46e2 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Thu, 11 Aug 2022 18:20:23 +0200
Subject: [PATCH 6/9] Update 2-retrying-random-numbers.js

---
 2-mandatory/2-retrying-random-numbers.js | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
index 10aab37d..facbe3ae 100644
--- a/2-mandatory/2-retrying-random-numbers.js
+++ b/2-mandatory/2-retrying-random-numbers.js
@@ -5,20 +5,25 @@
 
 // This function shouldn't be changed
 function generateRandomNumber() {
-    console.log("Generating number...");
-    return Math.round(Math.random() * 100);
+  console.log("Generating number...");
+  return Math.round(Math.random() * 100);
 }
 
 function getRandomNumberGreaterThan50() {
-    // TODO - implement using a do-while loop
+  // TODO - implement using a do-while loop
+  let i = 0;
+  do {
+    i++;
+    return generateRandomNumber();
+  } while (i < 50);
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */
 
 test("Returned value should always be greater than 50", () => {
-    expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
-    expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
-    expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
-    expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
-    expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
+  expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
+  expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
+  expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
+  expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
+  expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50);
 });

From a8a26cf614fc56141bf9aaf8d8581d3c35cfd658 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Thu, 11 Aug 2022 23:38:52 +0200
Subject: [PATCH 7/9] Update 3-financial-times.js

---
 2-mandatory/3-financial-times.js | 90 +++++++++++++++++++++-----------
 1 file changed, 59 insertions(+), 31 deletions(-)

diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
index 2ce6fb73..f9273f22 100644
--- a/2-mandatory/3-financial-times.js
+++ b/2-mandatory/3-financial-times.js
@@ -5,77 +5,105 @@
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
 function potentialHeadlines(allArticleTitles) {
-    // TODO
+  let result = allArticleTitles.filter((element) => element.length <= 65);
+  return result;
+  // TODO
 }
 
 /*
     The editor of the FT likes short headlines with only a few words!
     Implement the function below, which returns the title with the fewest words.
-    (you can assume words will always be seperated by a space)
+    (you can assume words will always be separated by a space)
 */
 function titleWithFewestWords(allArticleTitles) {
-    // TODO
+  // TODO
+  const arraySorted = allArticleTitles.sort((a, b) => a.length - b.length);
+  return arraySorted[0];
 }
 
 /*
-    The editor of the FT has realised that headlines which have numbers in them get more clicks!
+    The editor of the FT has realized that headlines which have numbers in them get more clicks!
     Implement the function below to return a new array containing all the headlines which contain a number.
     (Hint: remember that you can also loop through the characters of a string if you need to)
 */
 function headlinesWithNumbers(allArticleTitles) {
-    // TODO
+  allArticleTitles = allArticleTitles.filter((element) => {
+    for (let i in element) {
+      if (hasNumber(element[i])) return element;
+    }
+  });
+  return allArticleTitles;
+}
+function hasNumber(myString) {
+  return /\d/.test(myString);
 }
 
 /*
     The Financial Times wants to understand what the average number of characters in an article title is.
     Implement the function below to return this number - rounded to the nearest integer.
 */
+let sum = 0;
 function averageNumberOfCharacters(allArticleTitles) {
-    // TODO
+  let getAverage = allArticleTitles.length;
+  allArticleTitles = allArticleTitles.forEach((item) => {
+    let array = [];
+    for (let i = 0; i < allArticleTitles.length; i++) {
+      array.push(item.length);
+      sum += array[i];
+      return allArticleTitles;
+    }
+  });
+  sum = sum / getAverage;
+  sum = Math.round(sum);
+  return sum;
 }
 
-
-
 /* ======= List of Articles - DO NOT MODIFY ===== */
 const ARTICLE_TITLES = [
-    "Streaming wars drive media groups to spend more than $100bn on new content",
-    "Amazon Prime Video India country head: streaming is driving a TV revolution",
-    "Aerospace chiefs prepare for bumpy ride in recovery of long-haul flights",
-    "British companies look to muscle in on US retail investing boom",
-    "Libor to take firm step towards oblivion on New Year's Day",
-    "Audit profession unattractive to new recruits, says PwC boss",
-    "Chinese social media users blast Elon Musk over near miss in space",
-    "Companies raise over $12tn in 'blockbuster' year for global capital markets",
-    "The three questions that dominate investment",
-    "Brussels urges Chile's incoming president to endorse EU trade deal",
+  "Streaming wars drive media groups to spend more than $100bn on new content",
+  "Amazon Prime Video India country head: streaming is driving a TV revolution",
+  "Aerospace chiefs prepare for bumpy ride in recovery of long-haul flights",
+  "British companies look to muscle in on US retail investing boom",
+  "Libor to take firm step towards oblivion on New Year's Day",
+  "Audit profession unattractive to new recruits, says PwC boss",
+  "Chinese social media users blast Elon Musk over near miss in space",
+  "Companies raise over $12tn in 'blockbuster' year for global capital markets",
+  "The three questions that dominate investment",
+  "Brussels urges Chile's incoming president to endorse EU trade deal",
 ];
 
 /* ======= TESTS - DO NOT MODIFY ===== */
 
 test("should only return potential headlines", () => {
-    expect(new Set(potentialHeadlines(ARTICLE_TITLES))).toEqual(new Set([
-        "British companies look to muscle in on US retail investing boom",
-        "Libor to take firm step towards oblivion on New Year's Day",
-        "Audit profession unattractive to new recruits, says PwC boss",
-        "The three questions that dominate investment"
-    ]));
+  expect(new Set(potentialHeadlines(ARTICLE_TITLES))).toEqual(
+    new Set([
+      "British companies look to muscle in on US retail investing boom",
+      "Libor to take firm step towards oblivion on New Year's Day",
+      "Audit profession unattractive to new recruits, says PwC boss",
+      "The three questions that dominate investment",
+    ])
+  );
 });
 
 test("should return an empty array for empty input", () => {
-    expect(potentialHeadlines([])).toEqual([]);
+  expect(potentialHeadlines([])).toEqual([]);
 });
 
 test("should return the title with the fewest words", () => {
-    expect(titleWithFewestWords(ARTICLE_TITLES)).toEqual("The three questions that dominate investment");
+  expect(titleWithFewestWords(ARTICLE_TITLES)).toEqual(
+    "The three questions that dominate investment"
+  );
 });
 
 test("should only return headlines containing numbers", () => {
-    expect(new Set(headlinesWithNumbers(ARTICLE_TITLES))).toEqual(new Set([
-        "Streaming wars drive media groups to spend more than $100bn on new content",
-        "Companies raise over $12tn in 'blockbuster' year for global capital markets"
-    ]));
+  expect(new Set(headlinesWithNumbers(ARTICLE_TITLES))).toEqual(
+    new Set([
+      "Streaming wars drive media groups to spend more than $100bn on new content",
+      "Companies raise over $12tn in 'blockbuster' year for global capital markets",
+    ])
+  );
 });
 
 test("should return the average number of characters in a headline", () => {
-    expect(averageNumberOfCharacters(ARTICLE_TITLES)).toEqual(65);
+  expect(averageNumberOfCharacters(ARTICLE_TITLES)).toEqual(65);
 });

From e01fb7506e053c80f905d87ba480f730ee339531 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Fri, 12 Aug 2022 21:58:34 +0200
Subject: [PATCH 8/9] Update 4-stocks.js

---
 2-mandatory/4-stocks.js | 56 +++++++++++++++++++++++------------------
 1 file changed, 32 insertions(+), 24 deletions(-)

diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js
index 72d62f94..1c230acc 100644
--- a/2-mandatory/4-stocks.js
+++ b/2-mandatory/4-stocks.js
@@ -11,11 +11,11 @@
 const STOCKS = ["aapl", "msft", "amzn", "googl", "tsla"];
 
 const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
-    [179.19, 180.33, 176.28, 175.64, 172.99], // AAPL
-    [340.69, 342.45, 334.69, 333.20, 327.29], // MSFT
-    [3384.44, 3393.39, 3421.37, 3420.74, 3408.34], // AMZN
-    [2951.88, 2958.13, 2938.33, 2928.30, 2869.45], // GOOGL
-    [1101.30, 1093.94, 1067.00, 1008.87, 938.53] // TSLA
+  [179.19, 180.33, 176.28, 175.64, 172.99], // AAPL
+  [340.69, 342.45, 334.69, 333.2, 327.29], // MSFT
+  [3384.44, 3393.39, 3421.37, 3420.74, 3408.34], // AMZN
+  [2951.88, 2958.13, 2938.33, 2928.3, 2869.45], // GOOGL
+  [1101.3, 1093.94, 1067.0, 1008.87, 938.53], // TSLA
 ];
 
 /*
@@ -34,7 +34,16 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
         Functions can help with this!
 */
 function getAveragePrices(closingPricesForAllStocks) {
-    // TODO
+  avg = closingPricesForAllStocks.map(
+    (array) => array.reduce((a, b) => a + b) / array.length
+  );
+  let roundedToDecimal = [];
+  let result = [];
+
+  avg.forEach((item) => roundedToDecimal.push(item.toFixed(2)));
+  roundedToDecimal.forEach((item) => result.push(Number(item)));
+
+  return result;
 }
 
 /*
@@ -48,7 +57,7 @@ function getAveragePrices(closingPricesForAllStocks) {
     The price change value should be rounded to 2 decimal places, and should be a number (not a string)
 */
 function getPriceChanges(closingPricesForAllStocks) {
-    // TODO
+  // TODO
 }
 
 /*
@@ -64,31 +73,30 @@ function getPriceChanges(closingPricesForAllStocks) {
     The price should be shown with exactly 2 decimal places.
 */
 function highestPriceDescriptions(closingPricesForAllStocks, stocks) {
-    // TODO
+  // TODO
 }
 
-
 /* ======= TESTS - DO NOT MODIFY ===== */
 test("should return the average price for each stock", () => {
-    expect(getAveragePrices(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual(
-        [176.89, 335.66, 3405.66, 2929.22, 1041.93]
-    );
+  expect(getAveragePrices(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual([
+    176.89, 335.66, 3405.66, 2929.22, 1041.93,
+  ]);
 });
 
 test("should return the price change for each stock", () => {
-    expect(getPriceChanges(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual(
-        [-6.2, -13.4, 23.9, -82.43, -162.77]
-    );
+  expect(getPriceChanges(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual([
+    -6.2, -13.4, 23.9, -82.43, -162.77,
+  ]);
 });
 
 test("should return a description of the highest price for each stock", () => {
-    expect(highestPriceDescriptions(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS, STOCKS)).toEqual(
-        [
-            "The highest price of AAPL in the last 5 days was 180.33",
-            "The highest price of MSFT in the last 5 days was 342.45",
-            "The highest price of AMZN in the last 5 days was 3421.37",
-            "The highest price of GOOGL in the last 5 days was 2958.13",
-            "The highest price of TSLA in the last 5 days was 1101.30"
-        ]
-    );
+  expect(
+    highestPriceDescriptions(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS, STOCKS)
+  ).toEqual([
+    "The highest price of AAPL in the last 5 days was 180.33",
+    "The highest price of MSFT in the last 5 days was 342.45",
+    "The highest price of AMZN in the last 5 days was 3421.37",
+    "The highest price of GOOGL in the last 5 days was 2958.13",
+    "The highest price of TSLA in the last 5 days was 1101.30",
+  ]);
 });

From f4fe7a24e233aebe191228c13cc120c66794da90 Mon Sep 17 00:00:00 2001
From: Riyaaz Singh <94745207+Riyaazct@users.noreply.github.com>
Date: Sat, 13 Aug 2022 21:49:02 +0200
Subject: [PATCH 9/9] Update 4-stocks.js

---
 2-mandatory/4-stocks.js | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js
index 1c230acc..1dd1142f 100644
--- a/2-mandatory/4-stocks.js
+++ b/2-mandatory/4-stocks.js
@@ -57,7 +57,16 @@ function getAveragePrices(closingPricesForAllStocks) {
     The price change value should be rounded to 2 decimal places, and should be a number (not a string)
 */
 function getPriceChanges(closingPricesForAllStocks) {
-  // TODO
+  let pricesChanged = closingPricesForAllStocks.map((e) => {
+    return e.at(-1) - e[0]; // answer found at this link helped with this part(.at) https://stackoverflow.com/questions/71851312/how-can-i-get-the-last-items-from-a-nested-array
+  });
+  let numbersRounded = []; // empty array to push numbers rounded to.
+  let result = []; // empty array to convert string created by .toFIxed to a number.
+  pricesChanged.forEach((element) => {
+    numbersRounded.push(element.toFixed(2) * 1);
+  }); // rounded elements to 2 decimal places and pushed to empty array.
+  numbersRounded.forEach((elem) => result.push(Number(elem))); // convert strings to numbers and push to empty array created.
+  return result;
 }
 
 /*
@@ -72,8 +81,29 @@ function getPriceChanges(closingPricesForAllStocks) {
     The stock ticker should be capitalised.
     The price should be shown with exactly 2 decimal places.
 */
+
 function highestPriceDescriptions(closingPricesForAllStocks, stocks) {
-  // TODO
+  let finalClosingPrice = closingPricesForAllStocks.map(function (subArray) {
+    return subArray.reduce(function (
+      previousLargestNumber,
+      currentLargestNumber
+    ) {
+      return currentLargestNumber > previousLargestNumber
+        ? currentLargestNumber
+        : previousLargestNumber;
+    },
+    0);
+  }); // SOURCES: FCC - https://tinyurl.com/yytu8cb5 & Stack Overflow - https://tinyurl.com/2p8erd2m
+
+  let result = finalClosingPrice.map(function (e1, index) {
+    return (
+      "The highest price of " +
+      STOCKS[index].toUpperCase() +
+      " in the last 5 days was " +
+      Number(e1).toFixed(2) // converted element to a number in order to use the .toFixed method.
+    );
+  });
+  return result;
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */