From b4198c8bc4396d3d28cd9198ca7bdfce7362663a Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Fri, 13 Feb 2026 17:08:19 +0000
Subject: [PATCH 1/7] first folder redone

---
 Sprint-2/1-key-errors/0.js | 15 +++++++++++----
 Sprint-2/1-key-errors/1.js | 27 +++++++++++++++++++++------
 Sprint-2/1-key-errors/2.js | 20 +++++++++++++++-----
 3 files changed, 47 insertions(+), 15 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..cef89a0e7 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,13 +1,20 @@
 // Predict and explain first...
 //  =============> write your prediction here
+//there will be an error because str is alrady declared.
+
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
 
-function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
-}
+// function capitalise(str) {
+//   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//   return str;
+// }
 
 // =============> write your explanation here
 // =============> write your new code here
+function capitalise(str) {
+   str = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return str;
+}
+console.log(capitalise('hello world')); // should return 'Hello world'
\ No newline at end of file
diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..05a3bb704 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -3,18 +3,33 @@
 // Why will an error occur when this program runs?
 // =============> write your prediction here
 
+// decimalNumber has been declared in the function and the console is logging it outside instead of calling th e function
+
+
 // Try playing computer with the example to work out what is going on
 
-function convertToPercentage(decimalNumber) {
-  const decimalNumber = 0.5;
-  const percentage = `${decimalNumber * 100}%`;
+// function convertToPercentage(decimalNumber) {
+//   const decimalNumber = 0.5;
+//   const percentage = `${decimalNumber * 100}%`;
 
-  return percentage;
-}
+//   return percentage;
+// }
 
-console.log(decimalNumber);
+// console.log(decimalNumber);
 
 // =============> write your explanation here
+// /home/martinmclean158/Module-Structuring-and-Testing-Data/Sprint-2/1-key-errors/1.js:12
+//   const decimalNumber = 0.5;
+
 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+
+function convertToPercentage(decimalNumber) {
+  decimalNumber = 0.5;
+  const percentage = `${decimalNumber * 100}%`;
+
+  return percentage;
+}
+
+console.log(convertToPercentage(0.5));
\ No newline at end of file
diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..70f8e8858 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -2,14 +2,21 @@
 // Predict and explain first BEFORE you run any code...
 
 // this function should square any number but instead we're going to get an error
+// There is no "num" veriabal defined. num should be in the beackets
+
 
 // =============> write your prediction of the error here
 
-function square(3) {
-    return num * num;
-}
+// function square(3) {
+//     return num * num;
+// }
+
+// // =============> write the error message here
+// /home/martinmclean158/Module-Structuring-and-Testing-Data/Sprint-2/1-key-errors/0.js:8
+//   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//       ^
 
-// =============> write the error message here
+// SyntaxError: Identifier 'str' has already been declared
 
 // =============> explain this error message here
 
@@ -17,4 +24,7 @@ function square(3) {
 
 // =============> write your new code here
 
-
+function square(num) {
+    return num * num;
+}
+console.log(square(3)); // should print 9

From bd9746aa56625a01efd1deadd60e4d8fc760aa64 Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Fri, 13 Feb 2026 17:18:58 +0000
Subject: [PATCH 2/7] second one done

---
 Sprint-2/2-mandatory-debug/0.js | 24 +++++++++++++++++-------
 Sprint-2/2-mandatory-debug/1.js | 17 +++++++++++------
 Sprint-2/2-mandatory-debug/2.js | 29 +++++++++++++++++++----------
 3 files changed, 47 insertions(+), 23 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..338fe5789 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -2,13 +2,23 @@
 
 // =============> write your prediction here
 
-function multiply(a, b) {
-  console.log(a * b);
-}
+// the fuction is not returning anything, so the result of multiplying 10 and 32 will be undefined how ever the function 
+// is still multiplying the two numbers and printing the result to the console
+
+// function multiply(a, b) {
+//   console.log(a * b);
+// }
 
-console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+// console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// =============> write your explanation here
+// // =============> write your explanation here
+
+// // Finally, correct the code to fix the problem
+// //  =============> write your new code here
+function multiply(a, b) {
+  const result = a * b;
+  console.log(result);
+  return result;
+}
 
-// Finally, correct the code to fix the problem
-//  =============> write your new code here
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
\ No newline at end of file
diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..25b9de2e0 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,13 +1,18 @@
 // Predict and explain first...
 //  =============> write your prediction here
+//there is nothing being returned so the function will be undefined
+// function sum(a, b) {
+//   return;
+//   a + b;
+// }
 
-function sum(a, b) {
-  return;
-  a + b;
-}
-
-console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+// console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function sum(a, b) {
+  return a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..da11bc447 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -1,24 +1,33 @@
 // Predict and explain first...
 
 // Predict the output of the following code:
-// =============> Write your prediction here
+// num is a const so it will al;ways return 3
 
-const num = 103;
+// const num = 103;
 
-function getLastDigit() {
-  return num.toString().slice(-1);
-}
+// function getLastDigit() {
+//   return num.toString().slice(-1);
+// }
 
-console.log(`The last digit of 42 is ${getLastDigit(42)}`);
-console.log(`The last digit of 105 is ${getLastDigit(105)}`);
-console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+// console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+// console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+// console.log(`The last digit of 806 is ${getLastDigit(806)}`);
 
 // Now run the code and compare the output to your prediction
-// =============> write the output here
+// =============> yes thay all give 3 
 // Explain why the output is the way it is
-// =============> write your explanation here
+// because the variable is a consrent 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem
+
+
+function getLastDigit(num) {
+  return num.toString().slice(-1);
+}
+
+console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+console.log(`The last digit of 806 is ${getLastDigit(806)}`);
\ No newline at end of file

From f3643c12dfd15014d69ffde47051c5ddf88178f6 Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Fri, 13 Feb 2026 17:30:53 +0000
Subject: [PATCH 3/7] third times the charm

---
 Sprint-2/3-mandatory-implement/1-bmi.js       |  6 ++++--
 Sprint-2/3-mandatory-implement/2-cases.js     |  6 ++++++
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 10 ++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1..f8f2e0b14 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,5 +15,7 @@
 // It should return their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-    // return the BMI of someone based off their weight and height
-}
\ No newline at end of file
+    let bmi = weight/(height*height)
+    return bmi.toFixed(1)
+}
+console.log(calculateBMI(70,1.73))
\ No newline at end of file
diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad..81cb62607 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,9 @@
 // You will need to come up with an appropriate name for the function
 // Use the MDN string documentation to help you find a solution
 // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
+function SNAKE_CASE (mesasge){
+    let snake = mesasge.replace(/ /g,"_");
+    let upper = snake.toUpperCase();
+    return upper;
+}
+console.log(SNAKE_CASE("hello there"));
\ No newline at end of file
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a70..14efd7466 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,13 @@
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
 // You should call this function a number of times to check it works for different inputs
+function toPounds(penceString) {
+  let penceStringWithoutTrailingP = penceString.replace( /[^1-9]/g, ""); //39772
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0"); //39772
+  const pounds = paddedPenceNumberString.substring( 0, paddedPenceNumberString.length - 2 ); // 397
+  const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2)
+.padEnd(2, "0"); // 72
+  return `£${pounds}.${pence}`; // 397.72
+
+}
+console.log(toPounds("397d72p"));
\ No newline at end of file

From cae38279e3bd1ad40e40073231bf216f4b67927f Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Fri, 13 Feb 2026 17:42:20 +0000
Subject: [PATCH 4/7] last one

---
 Sprint-2/4-mandatory-interpret/time-format.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 7c98eb0e8..1687907bc 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -11,24 +11,25 @@ function formatTimeDisplay(seconds) {
   return `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`;
 }
 
+console.log(formatTimeDisplay(61))
 // You will need to play computer with this example - use the Python Visualiser https://pythontutor.com/visualize.html#mode=edit
 // to help you answer these questions
 
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here
+// Pad willo be called 3 times
 
 // Call formatTimeDisplay with an input of 61, now answer the following:
 
 // b) What is the value assigned to num when pad is called for the first time?
-// =============> write your answer here
+// "null"
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here
+// "00"
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> write your answer here
+// it is assined 1 because 61 - 60 leaves 1 as a remainder 
 
 // e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> write your answer here
+// the return value is "01" because it is padded to at the start to be a minimum string length of 2

From 0e24e1bcdaa249b1cfe2de29c84ff7130f762ccb Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Fri, 13 Feb 2026 17:53:50 +0000
Subject: [PATCH 5/7] should all be good this time

---
 Sprint-2/4-mandatory-interpret/time-format.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 1687907bc..9708348e2 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -18,18 +18,23 @@ console.log(formatTimeDisplay(61))
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
+// =============> write your answer here
 // Pad willo be called 3 times
 
 // Call formatTimeDisplay with an input of 61, now answer the following:
 
 // b) What is the value assigned to num when pad is called for the first time?
+// =============> write your answer here
 // "null"
 
 // c) What is the return value of pad is called for the first time?
+// =============> write your answer here
 // "00"
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
+// =============> write your answer here
 // it is assined 1 because 61 - 60 leaves 1 as a remainder 
 
 // e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
+// =============> write your answer here
 // the return value is "01" because it is padded to at the start to be a minimum string length of 2

From 588adc5b535bb88cb120b2a1ecc9533cfec00285 Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Sat, 14 Feb 2026 10:21:29 +0000
Subject: [PATCH 6/7] changed answer to q, B

---
 Sprint-2/4-mandatory-interpret/time-format.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 9708348e2..776c35675 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -7,6 +7,7 @@ function formatTimeDisplay(seconds) {
   const totalMinutes = (seconds - remainingSeconds) / 60;
   const remainingMinutes = totalMinutes % 60;
   const totalHours = (totalMinutes - remainingMinutes) / 60;
+  console.log(totalHours);
 
   return `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`;
 }
@@ -25,7 +26,7 @@ console.log(formatTimeDisplay(61))
 
 // b) What is the value assigned to num when pad is called for the first time?
 // =============> write your answer here
-// "null"
+// "0"
 
 // c) What is the return value of pad is called for the first time?
 // =============> write your answer here

From 7bc12350b1e8d366b5a24290967f0dcf6a8c49fe Mon Sep 17 00:00:00 2001
From: Martin <majamc@outlook.com>
Date: Sat, 14 Feb 2026 12:15:52 +0000
Subject: [PATCH 7/7] errors fixed

---
 Sprint-2/1-key-errors/2.js                | 15 +++++++++------
 Sprint-2/2-mandatory-debug/0.js           |  1 -
 Sprint-2/2-mandatory-debug/2.js           |  2 +-
 Sprint-2/3-mandatory-implement/1-bmi.js   |  2 +-
 Sprint-2/3-mandatory-implement/2-cases.js |  4 ++--
 5 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index 70f8e8858..e4ee8000b 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -2,19 +2,22 @@
 // Predict and explain first BEFORE you run any code...
 
 // this function should square any number but instead we're going to get an error
-// There is no "num" veriabal defined. num should be in the beackets
+// // There is no "num" veriabal defined. num should be in the beackets
 
 
-// =============> write your prediction of the error here
+// // =============> write your prediction of the error here
 
 // function square(3) {
 //     return num * num;
 // }
 
-// // =============> write the error message here
-// /home/martinmclean158/Module-Structuring-and-Testing-Data/Sprint-2/1-key-errors/0.js:8
-//   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-//       ^
+// // // // =============> write the error message here
+// // // /home/martinmclean158/Module-Structuring-and-Testing-Data/Sprint-2/1-key-errors/0.js:8
+// // /home/martinmclean158/Module-Structuring-and-Testing-Data/Sprint-2/1-key-errors/2.js:10
+// // function square(3) {
+//                 ^
+
+// SyntaxError: Unexpected number
 
 // SyntaxError: Identifier 'str' has already been declared
 
diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index 338fe5789..73f566b0d 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -17,7 +17,6 @@
 // //  =============> write your new code here
 function multiply(a, b) {
   const result = a * b;
-  console.log(result);
   return result;
 }
 
diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index da11bc447..9e79506b1 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -16,7 +16,7 @@
 // Now run the code and compare the output to your prediction
 // =============> yes thay all give 3 
 // Explain why the output is the way it is
-// because the variable is a consrent 
+// because the variable is a const before the code block when num is called it can't be changed   
 // Finally, correct the code to fix the problem
 // =============> write your new code here
 
diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index f8f2e0b14..cb77fe0e6 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,7 +15,7 @@
 // It should return their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-    let bmi = weight/(height*height)
+    const bmi = weight/(height*height)
     return bmi.toFixed(1)
 }
 console.log(calculateBMI(70,1.73))
\ No newline at end of file
diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 81cb62607..a9c0f5522 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,9 +14,9 @@
 // You will need to come up with an appropriate name for the function
 // Use the MDN string documentation to help you find a solution
 // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
-function SNAKE_CASE (mesasge){
+function toSnakeCase (mesasge){
     let snake = mesasge.replace(/ /g,"_");
     let upper = snake.toUpperCase();
     return upper;
 }
-console.log(SNAKE_CASE("hello there"));
\ No newline at end of file
+console.log(toSnakeCase("hello there"));
\ No newline at end of file