From c3bbdff9188a432591de9ca6a6a36afca58879fc Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Mon, 9 Feb 2026 14:39:05 +0000
Subject: [PATCH 01/12] Fixed the errors in the 1-key-errors folder

---
 Sprint-2/1-key-errors/0.js | 10 ++++++++--
 Sprint-2/1-key-errors/1.js |  9 +++++++--
 Sprint-2/1-key-errors/2.js |  9 ++++++---
 3 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..31dd9f292 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,5 +1,5 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> I think the variable 'str' is repeated twice in string literals.
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
@@ -9,5 +9,11 @@ function capitalise(str) {
   return str;
 }
 
-// =============> write your explanation here
+// =============> The error occurs because some parts of the code are not allowed in JS.
+//                The variable 'str' is already declared in line 7 as a parameter
 // =============> write your new code here
+
+function capitalise(str) {
+  return `${str[0].toUpperCase()}${str.slice(1)}`
+}
+console.log(capitalise("shop"));
diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..bc2241959 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -1,7 +1,7 @@
 // Predict and explain first...
 
 // Why will an error occur when this program runs?
-// =============> write your prediction here
+// =============> variable 'decimalNumber' is repeated already declared as a parameter in line 8
 
 // Try playing computer with the example to work out what is going on
 
@@ -14,7 +14,12 @@ function convertToPercentage(decimalNumber) {
 
 console.log(decimalNumber);
 
-// =============> write your explanation here
+// =============> Again, the error is a syntax error.
+//                The variable 'decimal' is already declared as a parameter
 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+
+function convertToPercentage(decimalNumber) {
+  return `${decimalNumber * 100}%`
+}
diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..32c77fd77 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -3,18 +3,21 @@
 
 // this function should square any number but instead we're going to get an error
 
-// =============> write your prediction of the error here
+// =============> The error occurs because we have not defined 'num'
 
 function square(3) {
     return num * num;
 }
 
-// =============> write the error message here
+// =============> It is a syntaxError: Enexpected number
 
-// =============> explain this error message here
+// =============> In line 8, the number as a parameter is not expected; instead, a variable is expected.
 
 // Finally, correct the code to fix the problem
 
 // =============> write your new code here
+function square(num) {
+    return num * num;
+}
 
 

From 1a63f233f9254b5defbfe0559926309d53efce9f Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Mon, 9 Feb 2026 15:08:59 +0000
Subject: [PATCH 02/12] completed the mandatory debugs

---
 Sprint-2/2-mandatory-debug/0.js | 10 ++++++++--
 Sprint-2/2-mandatory-debug/1.js | 10 ++++++++--
 Sprint-2/2-mandatory-debug/2.js | 16 +++++++++++++---
 3 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..b14599028 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -1,6 +1,6 @@
 // Predict and explain first...
 
-// =============> write your prediction here
+// =============> In line 6, the word return is missing, I assume.
 
 function multiply(a, b) {
   console.log(a * b);
@@ -8,7 +8,13 @@ function multiply(a, b) {
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// =============> write your explanation here
+// =============> $`{multiply(10, 32)}` is undefined.
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function multiply(a, b) {
+  return a * b;
+}
+
+console.log(multiply(10, 32));
diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..fce834f88 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,5 +1,5 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> It will give an error; line 5 and 6 should be in one line.
 
 function sum(a, b) {
   return;
@@ -8,6 +8,12 @@ function sum(a, b) {
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
-// =============> write your explanation here
+// =============> The output is undefined because return and a + b are in two different lines.
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function sum(a, b) {
+  return a + b;
+}
+
+console.log(sum(10, 32));
diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..f2c64472c 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -1,7 +1,7 @@
 // Predict and explain first...
 
 // Predict the output of the following code:
-// =============> Write your prediction here
+// =============> It will probaby return the last digit as a string.
 
 const num = 103;
 
@@ -14,11 +14,21 @@ 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
+// =============> Aha, I was wrong. The outputs for all the console.log is 3
 // Explain why the output is the way it is
-// =============> write your explanation here
+// =============> because, the function takes 'const num = 103' as input.
 // Finally, correct the code to fix the problem
 // =============> write your new code here
 
+function getLastDigit(num) {
+  return num.toString().slice(-1);
+}
+
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem
+
+// This code should be working better. It takes the last digit of the number as a string
+// and at last, change that string into a number;
+function getLastDigit(num) {
+  return Number(num.toString().slice(-1));
+}

From 6549aaa4ffb265e5bd33d0a599aa3f4207f89055 Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Mon, 9 Feb 2026 16:42:48 +0000
Subject: [PATCH 03/12] Implement completed

---
 Sprint-2/3-mandatory-implement/1-bmi.js       |  7 ++++--
 Sprint-2/3-mandatory-implement/2-cases.js     |  7 ++++++
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 22 +++++++++++++++++++
 3 files changed, 34 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..99374a594 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,5 +15,8 @@
 // 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 Math.round(bmi * 10) / 10
+}
+
+// console.log(calculateBMI(68, 1.7));
\ 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..4f821f6f9 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,10 @@
 // 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 toUpperSnake(str) {
+    return str.split(" ").map(item => item.toUpperCase()).join("_");
+}
+
+console.log(toUpperSnake("lord of the rings"));
+// returns LORD_OF_THE_RINGS
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a70..bce182bb9 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,25 @@
 // 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
+
+// Method 1
+function toPounds(penceString) {
+    let penceStringWithoutP = penceString.substring(0, penceString.length - 1);
+    let paddedPenceNumberString = penceStringWithoutP.padStart(3, "0");
+    let pound = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2); 
+    let pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2); 
+
+    return `£${pound}.${pence}`;
+
+}
+console.log(toPounds("447p"));  // £4.47
+
+
+
+// Method 2
+function toPounds(penceString) {
+    let value = Number(penceString.slice(0, -1)) / 100;
+    return `£${value.toFixed(2)}`
+}
+
+console.log(toPounds("447p"));  // £4.47

From d3bb259725f14907d3037f590ebbb010f7f92ef5 Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Mon, 9 Feb 2026 21:46:57 +0000
Subject: [PATCH 04/12] interpret is done

---
 Sprint-2/4-mandatory-interpret/time-format.js | 15 ++++++++++-----
 1 file changed, 10 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..5fd93b4ff 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -11,24 +11,29 @@ 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() function will 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
+// =============> 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
+//                the last pad, shows the remaining seconds (61 % 60 = 1), and it is 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
+//                The return value assigned to num when pad is called for the last time shows the seconds and it is 1

From e5372e2142b755437387fdc97bcc559f47fe0c7f Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Mon, 9 Feb 2026 22:11:57 +0000
Subject: [PATCH 05/12] Fixed the format-time function

---
 Sprint-2/5-stretch-extend/format-time.js | 27 +++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js
index 32a32e66b..956ce1fe8 100644
--- a/Sprint-2/5-stretch-extend/format-time.js
+++ b/Sprint-2/5-stretch-extend/format-time.js
@@ -2,14 +2,31 @@
 // Make sure to do the prep before you do the coursework
 // Your task is to write tests for as many different groups of input data or edge cases as you can, and fix any bugs you find.
 
+// function formatAs12HourClock(time) {
+//   const hours = Number(time.slice(0, 2));
+//   if (hours > 12) {
+//     return `${hours - 12}:00 pm`;
+//   }
+//   return `${time} am`;
+// }
+
 function formatAs12HourClock(time) {
-  const hours = Number(time.slice(0, 2));
-  if (hours > 12) {
-    return `${hours - 12}:00 pm`;
-  }
-  return `${time} am`;
+  let hours = Number(time.slice(0, 2));
+  let minutes = Number(time.slice(3, 5));
+  let ampm = hours >= 12 ? 'pm' : 'am';
+  hours = hours % 12; 
+  hours = hours ? hours : 12; // the hour '0' should be '12'
+  minutes = minutes < 10 ? '0'+minutes : minutes;
+
+  return `${hours}:${minutes} ${ampm}`
 }
 
+console.log(formatAs12HourClock("00:00"));
+console.log(formatAs12HourClock("23:59"));
+console.log(formatAs12HourClock("12:00"));
+console.log(formatAs12HourClock("21:20"));
+
+
 const currentOutput = formatAs12HourClock("08:00");
 const targetOutput = "08:00 am";
 console.assert(

From c064497e73b06fb0c07c9ac11011b410351f98cd Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Sun, 15 Feb 2026 14:53:51 +0000
Subject: [PATCH 06/12] gave const name to bmi variable

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

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 99374a594..4647d1323 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 Math.round(bmi * 10) / 10
 }
 

From d377ac2de75be124be9b9c1b6a525c1c623dfbe5 Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Sun, 15 Feb 2026 14:54:25 +0000
Subject: [PATCH 07/12] Changed toUpperCase to toUpperSnakeCase

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

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 4f821f6f9..eaf50b2b4 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -15,7 +15,7 @@
 // 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 toUpperSnake(str) {
+function toUpperSnakeCase(str) {
     return str.split(" ").map(item => item.toUpperCase()).join("_");
 }
 

From c8da88bfe5f9ea60977976dc9df01fc13a2c01aa Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Sun, 15 Feb 2026 14:59:27 +0000
Subject: [PATCH 08/12] Fixed an issue in format-time.js

---
 Sprint-2/5-stretch-extend/format-time.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js
index 956ce1fe8..5bbc85c25 100644
--- a/Sprint-2/5-stretch-extend/format-time.js
+++ b/Sprint-2/5-stretch-extend/format-time.js
@@ -17,6 +17,7 @@ function formatAs12HourClock(time) {
   hours = hours % 12; 
   hours = hours ? hours : 12; // the hour '0' should be '12'
   minutes = minutes < 10 ? '0'+minutes : minutes;
+  hours = hours < 10 ? '0'+hours : hours;
 
   return `${hours}:${minutes} ${ampm}`
 }

From 0800bae0e06bf4fa8f764432170433a6569a21aa Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Sun, 15 Feb 2026 19:19:39 +0000
Subject: [PATCH 09/12] fixed the error

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

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index eaf50b2b4..52d8d73e7 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -19,5 +19,5 @@ function toUpperSnakeCase(str) {
     return str.split(" ").map(item => item.toUpperCase()).join("_");
 }
 
-console.log(toUpperSnake("lord of the rings"));
+console.log(toUpperSnakeCase("lord of the rings"));
 // returns LORD_OF_THE_RINGS

From 974fb6286e95f92a89be7ab80c35e911d14da29f Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Sun, 15 Feb 2026 19:25:52 +0000
Subject: [PATCH 10/12] changed let to const

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

diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index bce182bb9..b91002ec2 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -21,7 +21,7 @@ console.log(toPounds("447p"));  // £4.47
 
 // Method 2
 function toPounds(penceString) {
-    let value = Number(penceString.slice(0, -1)) / 100;
+    const value = Number(penceString.slice(0, -1)) / 100;
     return `£${value.toFixed(2)}`
 }
 

From a9ad155477a118d0361db109139215709b53a7a6 Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Sun, 15 Feb 2026 20:57:12 +0000
Subject: [PATCH 11/12] Changed let to const in 3-to-pounds.js file

---
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index b91002ec2..09067fedb 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -7,10 +7,10 @@
 
 // Method 1
 function toPounds(penceString) {
-    let penceStringWithoutP = penceString.substring(0, penceString.length - 1);
-    let paddedPenceNumberString = penceStringWithoutP.padStart(3, "0");
-    let pound = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2); 
-    let pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2); 
+    const penceStringWithoutP = penceString.substring(0, penceString.length - 1);
+    const paddedPenceNumberString = penceStringWithoutP.padStart(3, "0");
+    const pound = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2); 
+    const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2); 
 
     return `£${pound}.${pence}`;
 

From 155d15f088d74a7b2ad00b93c653bc9fd81128a7 Mon Sep 17 00:00:00 2001
From: Fida Ali Zada <fidahussainalizada@gmail.com>
Date: Mon, 16 Feb 2026 12:17:02 +0000
Subject: [PATCH 12/12] changed let to const in format-time.js file

---
 Sprint-2/5-stretch-extend/format-time.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js
index 5bbc85c25..4348f25a1 100644
--- a/Sprint-2/5-stretch-extend/format-time.js
+++ b/Sprint-2/5-stretch-extend/format-time.js
@@ -13,7 +13,7 @@
 function formatAs12HourClock(time) {
   let hours = Number(time.slice(0, 2));
   let minutes = Number(time.slice(3, 5));
-  let ampm = hours >= 12 ? 'pm' : 'am';
+  const ampm = hours >= 12 ? 'pm' : 'am';
   hours = hours % 12; 
   hours = hours ? hours : 12; // the hour '0' should be '12'
   minutes = minutes < 10 ? '0'+minutes : minutes;