From 60f2cf69c3cc1a818cf95add98efcb40d7907263 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Sat, 4 Oct 2025 01:43:39 +0100
Subject: [PATCH 01/22] Add some lines of code to calculate the area of a
 rectangle

---
 prep/example.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 prep/example.js

diff --git a/prep/example.js b/prep/example.js
new file mode 100644
index 000000000..9cd47e13f
--- /dev/null
+++ b/prep/example.js
@@ -0,0 +1,13 @@
+// Write a function that will calculate the area of a rectangle
+//given its width and height
+
+let width = 3;
+let height = 4;
+
+function calculateArea(width , height) {
+    const area = width * height;
+    return area;
+}
+
+const result = calculateArea(3,4+8);
+console.log(result);
\ No newline at end of file

From 909a41ef898e8e97578a6b3d0953721e015993b0 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Sat, 4 Oct 2025 02:24:52 +0100
Subject: [PATCH 02/22] Add function to capitalize first letter of a name

---
 prep/example2.js | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 prep/example2.js

diff --git a/prep/example2.js b/prep/example2.js
new file mode 100644
index 000000000..5318bb082
--- /dev/null
+++ b/prep/example2.js
@@ -0,0 +1,11 @@
+function capitaliseFirstLetter(name) {
+  return (name[0].toUpperCase() + name.substring(1));
+}
+
+function createGreeting(name) {
+  const result = capitaliseFirstLetter(name);
+  return `Welcome ${result}`;
+}
+
+const greeting = createGreeting("barath");
+console.log(greeting);
\ No newline at end of file

From 6b42d00763438a58ca8da382e279768dcc3b2f67 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 9 Oct 2025 13:59:05 +0100
Subject: [PATCH 03/22] Compare the current output with the target output using
 the strict equality operator

---
 prep/sprint-2.js | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 prep/sprint-2.js

diff --git a/prep/sprint-2.js b/prep/sprint-2.js
new file mode 100644
index 000000000..16ee2a4b2
--- /dev/null
+++ b/prep/sprint-2.js
@@ -0,0 +1,5 @@
+function formatAs12HourClock() {
+
+}
+
+console.log(formatAs12HourClock("08:00") === "08:00am")
\ No newline at end of file

From 44703301531032ad3b59e4c79b8ac198387a818e Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 9 Oct 2025 14:06:42 +0100
Subject: [PATCH 04/22] Organize prep directory into sprint-1 and sprint-2
 folders and move JS files accordingly

---
 prep/{ => sprint-1}/example.js                     | 0
 prep/{ => sprint-1}/example2.js                    | 0
 prep/sprint-2/boolean-exercise-1.js                | 0
 prep/{sprint-2.js => sprint-2/comparing-values.js} | 0
 4 files changed, 0 insertions(+), 0 deletions(-)
 rename prep/{ => sprint-1}/example.js (100%)
 rename prep/{ => sprint-1}/example2.js (100%)
 create mode 100644 prep/sprint-2/boolean-exercise-1.js
 rename prep/{sprint-2.js => sprint-2/comparing-values.js} (100%)

diff --git a/prep/example.js b/prep/sprint-1/example.js
similarity index 100%
rename from prep/example.js
rename to prep/sprint-1/example.js
diff --git a/prep/example2.js b/prep/sprint-1/example2.js
similarity index 100%
rename from prep/example2.js
rename to prep/sprint-1/example2.js
diff --git a/prep/sprint-2/boolean-exercise-1.js b/prep/sprint-2/boolean-exercise-1.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/prep/sprint-2.js b/prep/sprint-2/comparing-values.js
similarity index 100%
rename from prep/sprint-2.js
rename to prep/sprint-2/comparing-values.js

From 86552fe77f2ce464133fda08102eb121f5497295 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 9 Oct 2025 21:03:14 +0100
Subject: [PATCH 05/22] Use the console.assert function in the code

---
 prep/sprint-2/assertions-exercise.js | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 prep/sprint-2/assertions-exercise.js

diff --git a/prep/sprint-2/assertions-exercise.js b/prep/sprint-2/assertions-exercise.js
new file mode 100644
index 000000000..8a95331a8
--- /dev/null
+++ b/prep/sprint-2/assertions-exercise.js
@@ -0,0 +1,7 @@
+const calculation = 10 + 32;
+const result = 40;
+// console.assert(calculation === result);
+
+function formatAs12HourClock() {}
+console.log(formatAs12HourClock())
+console.assert(formatAs12HourClock("08:00") === "08:00 am" , `current output: ${formatAs12HourClock("08:00")} , target output: 08:00 am`);

From 1f028f71d4ca06c3a6219d899f951f00c9f1018b Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Fri, 10 Oct 2025 18:26:28 +0100
Subject: [PATCH 06/22] Define a function to convert argument to time with "am"
 and add bassertions to compare current output with target output

---
 prep/sprint-2/assertions-exercise.js | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/prep/sprint-2/assertions-exercise.js b/prep/sprint-2/assertions-exercise.js
index 8a95331a8..5131a5ea6 100644
--- a/prep/sprint-2/assertions-exercise.js
+++ b/prep/sprint-2/assertions-exercise.js
@@ -1,7 +1,25 @@
-const calculation = 10 + 32;
-const result = 40;
+// const calculation = 10 + 32;
+// const result = 40;
 // console.assert(calculation === result);
 
-function formatAs12HourClock() {}
-console.log(formatAs12HourClock())
-console.assert(formatAs12HourClock("08:00") === "08:00 am" , `current output: ${formatAs12HourClock("08:00")} , target output: 08:00 am`);
+// function formatAs12HourClock() {}
+// console.log(formatAs12HourClock())
+// console.assert(formatAs12HourClock("08:00") === "08:00 am" , `current output: ${formatAs12HourClock("08:00")} , target output: 08:00 am`);
+
+function formatAs12HourClock(time) {
+  return `${time} am`;
+}
+
+const currentOutput = formatAs12HourClock("08:00");
+const targetOutput = "08:00 am";
+console.assert(
+  currentOutput === targetOutput,
+  `current output: ${currentOutput}, target output: ${targetOutput}`
+);
+
+const currentOutput1 = formatAs12HourClock("23:00");
+const targetOutput1 = "11:00 pm";
+console.assert(
+  currentOutput === targetOutput,
+  `current output: ${currentOutput}, target output: ${targetOutput}`
+);
\ No newline at end of file

From 79932916ce4d27c8748383d832a6f741aec40fd1 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 11:20:09 +0100
Subject: [PATCH 07/22] Predict the output of the provided function, explain
 the actual error, and write the correct code.

---
 Sprint-2/1-key-errors/0.js | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..18e0fd312 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,13 +1,29 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// Answer
+// If I call the function capitalise with a string input, I predict that it will return an error because the variable str
+// has already been declared as a paramter of the function so it can not be re-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;
+//}
+
+// =============> write your explanation here
+//Answer
+// The error message "SyntaxError: Identifier 'str' has already been declared" means that the identifier "str" has been declared and so can not be re-declared.
+// This error occured because the same variable name occurs as a function parameter and is then redeclared using a let assignment in a function body again.
+// Redeclaring the same variable within the same function or block scope using let is not allowed in JavaScript.
+
+// =============> write your new code here
+// Answer
 function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+  str = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str;
 }
 
-// =============> write your explanation here
-// =============> write your new code here
+let actualOutput = capitalise("welcome");
+console.log(actualOutput);

From aca43982ccb071ba6fa9049f9f42b6996db69797 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 12:20:49 +0100
Subject: [PATCH 08/22] Explain why the program throws an error, simulate
 execution to identify the issue, and add the corrected code.

---
 Sprint-2/1-key-errors/1.js | 45 +++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..18b7522f0 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -2,19 +2,52 @@
 
 // Why will an error occur when this program runs?
 // =============> write your prediction here
+// Answer
+// An error will occur when the program runs because a variable cannot be redeclared. 
+// The parameter decimalNumber is already a declared variable, so it cannot be redeclared again.
 
 // 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
+// Answer
+//function convertToPercentage(decimalNumber) {
+  //const decimalNumber = 0.5;
+  //const percentage = `${decimalNumber * 100}%`;
+
+  //return percentage;
+//}
+
+// When the script starts, JavaScript defines the function convertToPercentage, but it doesn’t run it yet.
+// This means that nothing is executed inside the function; only the function itself is stored in memory.
+
+// console.log(decimalNumber);
+// At this point, JavaScript looks for a variable called decimalNumber in the current scope (the global scope), but none exists. 
+// We only declared decimalNumber as a parameter inside the function (which hasn’t been called yet).
+// Result: Because decimalNumber isn’t defined globally, JavaScript will throw an error
+// At this point, JavaScript looks for a variable called decimalNumber in the current scope (the global scope).
+// But none exists — we only declared decimalNumber as a parameter inside the function (which hasn’t been called yet).
+// Error message: "SyntaxError: Identifier 'decimalNumber' has already been declared"
 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+
+decimalNumber = 0.5;
+function convertToPercentage(decimalNumber) {
+  
+  const percentage = `${decimalNumber * 100}%`;
+
+  return percentage;
+}
+
+const ActualOutput = convertToPercentage(15);
+console.log(ActualOutput);
+console.log(decimalNumber);
\ No newline at end of file

From a8d716b4bb50d34db724780d95289f2e5f006dc2 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 13:15:01 +0100
Subject: [PATCH 09/22] Add code predictions, explanations, and corrections

- Predict the behavior of the existing code and provide explanations.
- Include any error messages encountered during execution.
- Provide the corrected code to fix the errors.
---
 Sprint-2/1-key-errors/2.js | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..fb135c845 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -4,17 +4,29 @@
 // this function should square any number but instead we're going to get an error
 
 // =============> write your prediction of the error here
+// When the code is being read or parsed by Node, it will throw a syntax error because it cannot interpret the number 3 inside the parentheses.
+// This is because a number (3) is not a valid parameter name in a function definition.
 
-function square(3) {
-    return num * num;
-}
 
-// =============> write the error message here
+//function square(3) {
+  //  return num * num;
+//}
 
+// =============> write the error message here
+// SyntaxError: Unexpected number
 // =============> explain this error message here
+// This error message indicates that JavaScript only allows identifiers as parameters in a function definition.  
+// If a literal value (such as a number, string, or object) is used instead, a SyntaxError will be thrown.
+
 
 // Finally, correct the code to fix the problem
 
 // =============> write your new code here
+function square(num) {
+    return num * num;
+}
+
+const actualOutput = square(3);
+console.log(actualOutput);
 
 

From b509c6562efafe0b2c06ac5a62b7f1bbef4c8546 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 13:17:33 +0100
Subject: [PATCH 10/22] Change the first letter in ActualOutput to lower case

---
 Sprint-2/1-key-errors/1.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index 18b7522f0..c268c36b7 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -48,6 +48,6 @@ function convertToPercentage(decimalNumber) {
   return percentage;
 }
 
-const ActualOutput = convertToPercentage(15);
-console.log(ActualOutput);
+const actualOutput = convertToPercentage(15);
+console.log(actualOutput);
 console.log(decimalNumber);
\ No newline at end of file

From f08d00a27a5cb621cff10c363c0fa18a1b3c0e7c Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 15:02:55 +0100
Subject: [PATCH 11/22] Predict program behavior and provide corrected code

- Predict what will happen when the program runs.
- Write the correct code to fix any errors.
---
 Sprint-2/2-mandatory-debug/0.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..79b54b6bb 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -1,14 +1,24 @@
 // Predict and explain first...
 
 // =============> write your prediction here
+// Answer
+// If this program runs, I predict that the function will return undefined because no return statement is defined inside the function. 
+// Also, the console.log inside the multiply function will print its output to the terminal.
+// Lastly, because the function returns undefined, when ${multiply(10, 32)} is used inside a template literal inside the console.log function, it will print undefined in that position.
 
-function multiply(a, b) {
-  console.log(a * b);
-}
+//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
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function multiply(a, b) {
+  console.log(a * b);
+  return a * b;
+}
+
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
\ No newline at end of file

From f4b2ba46b668ff0a7d6e54618608318a83ad0b8e Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 22:36:11 +0100
Subject: [PATCH 12/22] Improve phrasing in the prediction section for clarity

---
 Sprint-2/1-key-errors/1.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index c268c36b7..11f80370a 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -2,9 +2,10 @@
 
 // Why will an error occur when this program runs?
 // =============> write your prediction here
-// Answer
-// An error will occur when the program runs because a variable cannot be redeclared. 
-// The parameter decimalNumber is already a declared variable, so it cannot be redeclared again.
+// Prediction
+// An error will occur when the program runs because a variable cannot be redeclared.
+// The parameter "decimalNumber" is already a declared variable, so it cannot be redeclared again using const decimalNumber = 0.5; inside the same function.
+
 
 // Try playing computer with the example to work out what is going on
 
@@ -18,7 +19,7 @@
 //console.log(decimalNumber);
 
 // =============> write your explanation here
-// Answer
+// Explanation
 //function convertToPercentage(decimalNumber) {
   //const decimalNumber = 0.5;
   //const percentage = `${decimalNumber * 100}%`;

From 09df5e995d55ed9017d904b04c8611cc55aa7fa9 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 22:55:39 +0100
Subject: [PATCH 13/22] Predict what the sum function will output, explain how
 the code works, and fix the code.

---
 Sprint-2/2-mandatory-debug/1.js | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..c25ae6d55 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,5 +1,12 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// Answer
+// I predict that calling sum(10, 32) will return `undefined`.
+// This is because the `return` statement has a semicolon immediately after it, 
+// so JavaScript interprets it as `return;` which evaluate to "undefined" when the function is called
+// The expression `a + b` on the next line will never be executed.
+// Therefore, any console.log using sum(10, 32) will display `undefined` in the output.
+
 
 function sum(a, b) {
   return;
@@ -9,5 +16,31 @@ function sum(a, b) {
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
+// Explanation
+// function sum(a, b) {
+// This declares a function named sum that takes two parameters: a and b.
+
+// return;
+// The return statement is immediately followed by a semicolon.
+// This causes the function to exit immediately.
+// Since nothing is returned explicitly, JavaScript returns undefined by default.
+
+//   a + b;
+// This line never executes because the function has already exited at the `return;` line.
+
+// console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+// In this expression, sum(10, 32) is called.
+// Because the function returns undefined, the template literal becomes: "The sum of 10 and 32 is undefined"
+// That string is printed to the console.
+
 // Finally, correct the code to fix the problem
+// I will fix the error by placing the expression a + b on the same line as the return statement.
+// Optionally, I can use parentheses around the expression, but this is not required.
+
 //  =============> write your new code here
+
+function sum(a, b) {
+  return (a + b);
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
\ No newline at end of file

From b63958111e486e39159e2011475cdeb020455c77 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 22:56:44 +0100
Subject: [PATCH 14/22] Comment out the lines of code with the error

---
 Sprint-2/2-mandatory-debug/1.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index c25ae6d55..dfee55efa 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -8,12 +8,12 @@
 // Therefore, any console.log using sum(10, 32) will display `undefined` in the output.
 
 
-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
 // Explanation

From f59d4fc4163598304724add2fef62a1ba78e0544 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Thu, 16 Oct 2025 23:15:47 +0100
Subject: [PATCH 15/22] Explain each line of the multiply function

---
 Sprint-2/2-mandatory-debug/0.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index 79b54b6bb..ed50ddabe 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -2,7 +2,7 @@
 
 // =============> write your prediction here
 // Answer
-// If this program runs, I predict that the function will return undefined because no return statement is defined inside the function. 
+// If this program runs, I predict that the function will return undefined because it has no return statement. 
 // Also, the console.log inside the multiply function will print its output to the terminal.
 // Lastly, because the function returns undefined, when ${multiply(10, 32)} is used inside a template literal inside the console.log function, it will print undefined in that position.
 
@@ -13,6 +13,19 @@
 //console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
 // =============> write your explanation here
+// Explanation
+// function multiply(a, b) {}
+// This expression defines a function named multiply.
+// The function takes two parameters: a and b.
+
+// console.log(a * b);
+// This expression multipies a and b and prints the result in the terminal.
+// There is no return statement, so the function implicitly returns undefined.
+
+// console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+// In this expression, multiply(10, 32) is called.
+// Because the function returns undefined, the template literal becomes: "The result of multiplying 10 and 32 is undefined"
+// That string is printed to the console.
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here

From ebaaadc0a40cf8f21c9d7ca868c89e2ee36464ed Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Fri, 17 Oct 2025 10:22:58 +0100
Subject: [PATCH 16/22] =?UTF-8?q?Predict=20and=20explain=20each=20function?=
 =?UTF-8?q?=20call=E2=80=99s=20output,=20then=20fix=20the=20code=20to=20pr?=
 =?UTF-8?q?oduce=20the=20expected=20results.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Sprint-2/2-mandatory-debug/2.js | 34 ++++++++++++++++++++++++++-------
 1 file changed, 27 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..672556b8a 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -2,23 +2,43 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+// Prediction
+// When the function is called, I predict that the output will always be 3.
+// This is because the variable 'num' is defined outside the function and is always 103.
+// Therefore, regardless of the argument passed to getLastDigit, it will always return the last digit of 103, which is 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
+// Output
+// The last digit of 42 is 3
+// The last digit of 105 is 3
+// The last digit of 806 is 3
+
 // Explain why the output is the way it is
 // =============> write your explanation here
+// Explanation
+// The output will always be 3 because the function getLastDigit does not have a parameter so can not accept any arguments.
+
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+// New code
+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)}`);
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem

From 97e074fcdee9b3f29d0735c7fa4a1167ba530606 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Fri, 17 Oct 2025 10:39:24 +0100
Subject: [PATCH 17/22] Updatea function that takes two parameters to calculate
 the BMI

---
 Sprint-2/3-mandatory-implement/1-bmi.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1..b9461a706 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -16,4 +16,10 @@
 
 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);
+    bmi = Number(bmi.toFixed(1));
+    return bmi;
+}
+
+let actualOutput = calculateBMI(70, 1.73);
+console.log(actualOutput); // 23.4
\ No newline at end of file

From 49b8d14ce6c6e27534cf311d164c5c0c149e98ed Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Fri, 17 Oct 2025 10:56:54 +0100
Subject: [PATCH 18/22] Write a function that takes a string argument and
 converts it  to UPPER_SNAKE_CASE

---
 Sprint-2/3-mandatory-implement/2-cases.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad..7d7051cec 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,16 @@
 // 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 convertToUpperSnakeCase(inputString) {
+    // we need to find everywhere the character space is and replace it with an underscore
+    // we need to convert the string from lowercase to uppercase
+    const oldCharacterSpace = " ";
+    const newCharacterUnderscore = "_";
+    const findspaceAndReplace = inputString.replaceAll(oldCharacterSpace, newCharacterUnderscore);
+    const convertToUpperCase = findspaceAndReplace.toUpperCase();
+    return convertToUpperCase;
+}
+
+const actualOutput = convertToUpperSnakeCase("how are you Tolu");
+console.log(actualOutput); 
\ No newline at end of file

From 183ee2d209fa08735715d2e33754ce52a64bb2d4 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Fri, 17 Oct 2025 11:22:15 +0100
Subject: [PATCH 19/22] Refactor program into a reusable function

---
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a70..8fe99f350 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,33 @@
 // 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) {
+const penceStringWithoutTrailingP = penceString.substring(
+  0,
+  penceString.length - 1
+);
+
+const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+const pounds = paddedPenceNumberString.substring(
+  0,
+  paddedPenceNumberString.length - 2
+);
+
+const pence = paddedPenceNumberString
+  .substring(paddedPenceNumberString.length - 2)
+  .padEnd(2, "0");
+
+  return `£${pounds}.${pence}`;
+
+// console.log(`£${pounds}.${pence}`);
+}
+
+
+
+console.log(toPounds("399p")); 
+console.log(toPounds("5p"));   
+console.log(toPounds("50p"));  
+console.log(toPounds("1234p"));

From 2a3fc9571307ab7a500b626b377386fca402dcb0 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Fri, 17 Oct 2025 12:04:44 +0100
Subject: [PATCH 20/22] Add answers to questions about pad and
 formatTimeDisplay functions

---
 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 7c98eb0e8..84b672af5 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -18,17 +18,22 @@ function formatTimeDisplay(seconds) {
 
 // a) When formatTimeDisplay is called how many times will pad be called?
 // =============> write your answer here
+// Three 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
+// 0
 
 // 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
+// 1  
 
 // 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
+// "01"

From a74b44e91ce4c3a9ce4a734176bef1e11c441e93 Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Sun, 26 Oct 2025 18:13:22 +0000
Subject: [PATCH 21/22] =?UTF-8?q?Remove=20prep=20folder=20as=20it=E2=80=99?=
 =?UTF-8?q?s=20not=20related=20to=20this=20branch?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 prep/sprint-1/example.js             | 13 -------------
 prep/sprint-1/example2.js            | 11 -----------
 prep/sprint-2/assertions-exercise.js | 25 -------------------------
 prep/sprint-2/boolean-exercise-1.js  |  0
 prep/sprint-2/comparing-values.js    |  5 -----
 5 files changed, 54 deletions(-)
 delete mode 100644 prep/sprint-1/example.js
 delete mode 100644 prep/sprint-1/example2.js
 delete mode 100644 prep/sprint-2/assertions-exercise.js
 delete mode 100644 prep/sprint-2/boolean-exercise-1.js
 delete mode 100644 prep/sprint-2/comparing-values.js

diff --git a/prep/sprint-1/example.js b/prep/sprint-1/example.js
deleted file mode 100644
index 9cd47e13f..000000000
--- a/prep/sprint-1/example.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Write a function that will calculate the area of a rectangle
-//given its width and height
-
-let width = 3;
-let height = 4;
-
-function calculateArea(width , height) {
-    const area = width * height;
-    return area;
-}
-
-const result = calculateArea(3,4+8);
-console.log(result);
\ No newline at end of file
diff --git a/prep/sprint-1/example2.js b/prep/sprint-1/example2.js
deleted file mode 100644
index 5318bb082..000000000
--- a/prep/sprint-1/example2.js
+++ /dev/null
@@ -1,11 +0,0 @@
-function capitaliseFirstLetter(name) {
-  return (name[0].toUpperCase() + name.substring(1));
-}
-
-function createGreeting(name) {
-  const result = capitaliseFirstLetter(name);
-  return `Welcome ${result}`;
-}
-
-const greeting = createGreeting("barath");
-console.log(greeting);
\ No newline at end of file
diff --git a/prep/sprint-2/assertions-exercise.js b/prep/sprint-2/assertions-exercise.js
deleted file mode 100644
index 5131a5ea6..000000000
--- a/prep/sprint-2/assertions-exercise.js
+++ /dev/null
@@ -1,25 +0,0 @@
-// const calculation = 10 + 32;
-// const result = 40;
-// console.assert(calculation === result);
-
-// function formatAs12HourClock() {}
-// console.log(formatAs12HourClock())
-// console.assert(formatAs12HourClock("08:00") === "08:00 am" , `current output: ${formatAs12HourClock("08:00")} , target output: 08:00 am`);
-
-function formatAs12HourClock(time) {
-  return `${time} am`;
-}
-
-const currentOutput = formatAs12HourClock("08:00");
-const targetOutput = "08:00 am";
-console.assert(
-  currentOutput === targetOutput,
-  `current output: ${currentOutput}, target output: ${targetOutput}`
-);
-
-const currentOutput1 = formatAs12HourClock("23:00");
-const targetOutput1 = "11:00 pm";
-console.assert(
-  currentOutput === targetOutput,
-  `current output: ${currentOutput}, target output: ${targetOutput}`
-);
\ No newline at end of file
diff --git a/prep/sprint-2/boolean-exercise-1.js b/prep/sprint-2/boolean-exercise-1.js
deleted file mode 100644
index e69de29bb..000000000
diff --git a/prep/sprint-2/comparing-values.js b/prep/sprint-2/comparing-values.js
deleted file mode 100644
index 16ee2a4b2..000000000
--- a/prep/sprint-2/comparing-values.js
+++ /dev/null
@@ -1,5 +0,0 @@
-function formatAs12HourClock() {
-
-}
-
-console.log(formatAs12HourClock("08:00") === "08:00am")
\ No newline at end of file

From 02aaf2a909dbec8bcbd75086d8b2a8d08004d61e Mon Sep 17 00:00:00 2001
From: iswat <ibeetek@gmail.com>
Date: Mon, 27 Oct 2025 11:16:19 +0000
Subject: [PATCH 22/22] Fix inconsistent code formatting

---
 Sprint-2/3-mandatory-implement/1-bmi.js       | 10 +++---
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 36 +++++++++----------
 2 files changed, 21 insertions(+), 25 deletions(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index b9461a706..92c82f20a 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,11 +15,11 @@
 // 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
-    let bmi = weight / (height * height);
-    bmi = Number(bmi.toFixed(1));
-    return bmi;
+  // return the BMI of someone based off their weight and height
+  let bmi = weight / (height * height);
+  bmi = Number(bmi.toFixed(1));
+  return bmi;
 }
 
 let actualOutput = calculateBMI(70, 1.73);
-console.log(actualOutput); // 23.4
\ No newline at end of file
+console.log(actualOutput); // 23.4
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 8fe99f350..7d4c52b7f 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -5,32 +5,28 @@
 
 // You should call this function a number of times to check it works for different inputs
 
-
-
 function toPounds(penceString) {
-const penceStringWithoutTrailingP = penceString.substring(
-  0,
-  penceString.length - 1
-);
+  const penceStringWithoutTrailingP = penceString.substring(
+    0,
+    penceString.length - 1
+  );
 
-const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
-const pounds = paddedPenceNumberString.substring(
-  0,
-  paddedPenceNumberString.length - 2
-);
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+  const pounds = paddedPenceNumberString.substring(
+    0,
+    paddedPenceNumberString.length - 2
+  );
 
-const pence = paddedPenceNumberString
-  .substring(paddedPenceNumberString.length - 2)
-  .padEnd(2, "0");
+  const pence = paddedPenceNumberString
+    .substring(paddedPenceNumberString.length - 2)
+    .padEnd(2, "0");
 
   return `£${pounds}.${pence}`;
 
-// console.log(`£${pounds}.${pence}`);
+  // console.log(`£${pounds}.${pence}`);
 }
 
-
-
-console.log(toPounds("399p")); 
-console.log(toPounds("5p"));   
-console.log(toPounds("50p"));  
+console.log(toPounds("399p"));
+console.log(toPounds("5p"));
+console.log(toPounds("50p"));
 console.log(toPounds("1234p"));