From c9dbc7a1594d32281aaf344e24fe27dcd098a250 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Wed, 1 Oct 2025 11:24:13 +0100
Subject: [PATCH 01/16] Predict, Explain and Write new code

---
 Sprint-2/1-key-errors/0.js | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..42b9812bd 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
+//  =============> write your prediction here : There will be an error.
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
@@ -7,7 +7,15 @@
 function capitalise(str) {
   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str;
-}
 
-// =============> write your explanation here
-// =============> write your new code here
+
+// =============> write your explanation here : Because str has been used(declared) twice. As an input(parameter) to the function(capitalise) and with let. We should used a different variable.
+
+// =============> write your new code here :
+/*
+function capitalise(str) {
+  let cap = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return cap;
+}
+console.log(capitalise("fares"));
+*/

From dca0ac7a4779ae05dd1d0c31a8e7bb4712555f0f Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Thu, 2 Oct 2025 10:07:41 +0100
Subject: [PATCH 02/16] Predict, Explain and Correct code 1.js

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

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..44d38f62d 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -1,10 +1,12 @@
 // Predict and explain first...
 
 // Why will an error occur when this program runs?
-// =============> write your prediction here
+// =============> write your prediction here : The variable decimalNumber has been declared.
 
 // Try playing computer with the example to work out what is going on
 
+// The old code :
+/*
 function convertToPercentage(decimalNumber) {
   const decimalNumber = 0.5;
   const percentage = `${decimalNumber * 100}%`;
@@ -13,8 +15,22 @@ function convertToPercentage(decimalNumber) {
 }
 
 console.log(decimalNumber);
+*/
 
-// =============> write your explanation here
-
+// =============> write your explanation here :
+/*
+-The variable decimalNumber has been declared within the function as a parameter then declared again using const.
+- The variable decimalNumber should be defined first.
+*/
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+
+//The correct code :
+const decimalNumber = 0.5;
+
+function convertToPercentage(decimalNumber) {
+  const percentage = `${decimalNumber * 100}%`;
+  return percentage;
+}
+
+console.log(convertToPercentage(decimalNumber));

From 005b56a4e03695495a2398c16d1191298057b142 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 19:19:56 +0100
Subject: [PATCH 03/16] Slove problem in 2.js

---
 Sprint-2/1-key-errors/2.js | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..723cd05ba 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -1,20 +1,22 @@
-
 // Predict and explain first BEFORE you run any code...
 
 // this function should square any number but instead we're going to get an error
 
-// =============> write your prediction of the error here
+// =============> write your prediction of the error here : There will be a syntax error because the parameter name cannot be a number.
 
-function square(3) {
-    return num * num;
+ function square(3) {
+   return num * num;
 }
 
-// =============> write the error message here
+// =============> write the error message here : SyntaxError: Unexpected number.
 
-// =============> explain this error message here
+// =============> explain this error message here : /*The error message shows that there is an unexpected number in the function parameter name. Function parameters must be valid identifiers (like variable names) and cannot be numeric literals.*/
 
 // Finally, correct the code to fix the problem
 
 // =============> write your new code here
 
-
+function square(num) {
+  return num * num;
+}
+console.log(square(3));

From 85cae23569f054fb24c1f537d19cec8a9c45aae0 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 19:48:32 +0100
Subject: [PATCH 04/16] Adding 'return' to fix the issue

---
 Sprint-2/2-mandatory-debug/0.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..9a03a3f60 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
+// =============> write your prediction here : There is no return statement for the parameters.
 
 function multiply(a, b) {
   console.log(a * b);
@@ -8,7 +8,12 @@ function multiply(a, b) {
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// =============> write your explanation here
+// =============> write your explanation here : /* The function multiply does not return any value, it only logs the result to the console. It returns undefined. To fix this, we need to add a return statement in the multiply function. */
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function multiply(a, b) {
+  return a * b;
+}
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);

From 853695fd2ef37a29b98a66d3b3312edf38863c14 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 20:05:09 +0100
Subject: [PATCH 05/16] Fix the return error

---
 Sprint-2/2-mandatory-debug/1.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..8a78f3e8b 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
+//  =============> write your prediction here : A syntax error for the semicolon after return.
 
 function sum(a, b) {
   return;
@@ -8,6 +8,11 @@ function sum(a, b) {
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
-// =============> write your explanation here
+// =============> write your explanation here : The semicolon after return end the statement. So there will be no value returned from the function.
+
 // 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)}`);

From 0f1afc9255a94bd4a65f76aefff9c5d44a84796e Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 20:43:28 +0100
Subject: [PATCH 06/16] Replace the pre-declartion with the parameter method

---
 Sprint-2/2-mandatory-debug/2.js | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..c099ca927 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
+// Predict the output of the following code
+// =============> Write your prediction here : The code did not set any parameter/s for the function getLastDigit. So it will always take the value of num which is 103 as a default value.
 
 const num = 103;
 
@@ -14,11 +14,26 @@ 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
+// =============> write the output here : The output should be as the return line (103."103".3).
+/* 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
+// =============> write your explanation here :  Since .toString() converts the number to a string. The slice(-1) method extracts the last character from that string..
+
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+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
+// >>>> because the pre declared value of num with const. So the function always returns the last digit of 103 which is 3.
+// >>>> getLastDigit should take a parameter to work properly.

From c1d5ee8723c2a6f8a2ce65c460298b0136459a92 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 21:06:14 +0100
Subject: [PATCH 07/16] Calculate BMI

---
 Sprint-2/3-mandatory-implement/1-bmi.js | 7 +++++--
 1 file changed, 5 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..fd46194bc 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
+  const bmi = (weight / (height * height)).toFixed(1); //.toFixed(1)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed
+  return bmi;
+  // return the BMI of someone based off their weight and height
+}
+console.log(calculateBMI(75, 1.74));

From 73fd400bb56c84f8239a9ca39df469456ce274f4 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 21:22:50 +0100
Subject: [PATCH 08/16] Upper snake case

---
 Sprint-2/3-mandatory-implement/2-cases.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad..c45392bf8 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 snakeItUp(name) {
+  const upperCase = name.toUpperCase();
+  return upperCase.replaceAll(" ", "_");
+}
+console.log(snakeItUp("fares bakhet is my name"));

From 1e2b5b74365c30cc7cec3c47f07f7884f92959a7 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 21:28:00 +0100
Subject: [PATCH 09/16] Upper snake case(adding comments)

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

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index c45392bf8..ddae3335a 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -16,7 +16,7 @@
 // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
 
 function snakeItUp(name) {
-  const upperCase = name.toUpperCase();
-  return upperCase.replaceAll(" ", "_");
+  const upperCase = name.toUpperCase(); // Convert the string to uppercase
+  return upperCase.replaceAll(" ", "_"); // Replace all spaces with underscores
 }
 console.log(snakeItUp("fares bakhet is my name"));

From 7bbfb8b08da00b8f72df350e9a282499d0f54726 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 23:10:16 +0100
Subject: [PATCH 10/16] penceToPound function

---
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 20 +++++++++++++++++++
 1 file changed, 20 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..2d2de6590 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,23 @@
 // 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(pToP) {
+  const penceStringWithoutTrailingP = pToP.substring(0, pToP.length - 1); // Remove the P at the end.
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0"); // Make sure there 3 digits at least.
+  const pounds = paddedPenceNumberString.substring(
+    0,
+    paddedPenceNumberString.length - 2
+  ); // get the pounds part( - the last two digits).
+  const pence = paddedPenceNumberString
+    .substring(paddedPenceNumberString.length - 2)
+    .padEnd(2, "0"); // get the pence part( they should be 2 digits).
+  return `£${pounds}.${pence}`; // The final format.
+}
+console.log(toPounds("3990p"));
+console.log(toPounds("1500p"));
+console.log(toPounds("150p"));
+console.log(toPounds("100p"));
+console.log(toPounds("70p"));
+console.log(toPounds("50p"));
+console.log(toPounds("0p"));

From 00d63a1969e8cde2f0d612317a43793fd423b395 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sat, 4 Oct 2025 23:43:09 +0100
Subject: [PATCH 11/16] Time format solved

---
 Sprint-2/4-mandatory-interpret/time-format.js | 10 +++++-----
 1 file changed, 5 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..9355d7a83 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -17,18 +17,18 @@ function formatTimeDisplay(seconds) {
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here
+// =============> write your answer here : three times in Line 11 with return.
 
 // 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
+// =============> write your answer here : 0, because totalHours is 0.
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here
+// =============> write your answer here : "00", because num is converted to string and padded to 2 characters with "0".
 
 // 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
+// =============> write your answer here : 1, because remainingSeconds is 1 on python tutor.
 
 // 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
+// =============> write your answer here : "01", because num is converted to string and padded to 2 characters with "0". That's mean "1" becomes "01".

From 9c17ff784ec65c58d8193d09cefce6492b7b6b4c Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Sun, 5 Oct 2025 15:12:48 +0100
Subject: [PATCH 12/16] Fix the formatAs12HourClock bugs

---
 Sprint-2/5-stretch-extend/format-time.js | 95 +++++++++++++++++++++++-
 1 file changed, 93 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js
index 32a32e66b..2bea7a763 100644
--- a/Sprint-2/5-stretch-extend/format-time.js
+++ b/Sprint-2/5-stretch-extend/format-time.js
@@ -2,6 +2,7 @@
 // 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.
 
+// The main function:
 function formatAs12HourClock(time) {
   const hours = Number(time.slice(0, 2));
   if (hours > 12) {
@@ -10,16 +11,106 @@ function formatAs12HourClock(time) {
   return `${time} am`;
 }
 
+// Tests:
 const currentOutput = formatAs12HourClock("08:00");
 const targetOutput = "08:00 am";
 console.assert(
   currentOutput === targetOutput,
   `current output: ${currentOutput}, target output: ${targetOutput}`
-);
+); // It's output is correct
 
 const currentOutput2 = formatAs12HourClock("23:00");
 const targetOutput2 = "11:00 pm";
 console.assert(
   currentOutput2 === targetOutput2,
   `current output: ${currentOutput2}, target output: ${targetOutput2}`
-);
+); // It's output is correct
+
+const currentOutput3 = formatAs12HourClock("12:00");
+const targetOutput3 = "12:00 pm";
+console.assert(
+  currentOutput3 === targetOutput3,
+  `current output: ${currentOutput3}, target output: ${targetOutput3}`
+); // It's output is incorrect because it returns "12:00 am" instead of "12:00 pm"
+
+const currentOutput4 = formatAs12HourClock("00:00");
+const targetOutput4 = "12:00 am";
+console.assert(
+  currentOutput4 === targetOutput4,
+  `current output: ${currentOutput4}, target output: ${targetOutput4}`
+); // It's output is incorrect because it returns "00:00 am" instead of "12:00 am"
+
+const currentOutput5 = formatAs12HourClock("15:30");
+const targetOutput5 = "3:30 pm";
+console.assert(
+  currentOutput5 === targetOutput5,
+  `current output: ${currentOutput5}, target output: ${targetOutput5}`
+); // It's output is incorrect because it returns "15:00 pm" instead of "3:30 pm"
+
+const currentOutput6 = formatAs12HourClock("11:45");
+const targetOutput6 = "11:45 am";
+console.assert(
+  currentOutput6 === targetOutput6,
+  `current output: ${currentOutput6}, target output: ${targetOutput6}`
+); // It's output is correct
+
+//Fixing the function:
+function formatAs12HourClockFixed(time) {
+  const hours = Number(time.slice(0, 2));
+  const minutes = time.slice(3, 5);
+  let period = "am";
+
+  if (hours === 0) {
+    return `12:${minutes} am`;
+  }
+  if (hours === 12) {
+    period = "pm";
+  }
+  if (hours > 12) {
+    return `${hours - 12}:${minutes} pm`;
+  }
+  return `${hours}:${minutes} ${period}`;
+}
+
+// Re-testing :
+const currentOutput1 = formatAs12HourClockFixed("08:00");
+const targetOutput1 = "8:00 am";
+console.assert(
+  currentOutput1 === targetOutput1,
+  `current output: ${currentOutput1}, target output: ${targetOutput1}`
+); // It's output is correct
+
+const currentOutput2 = formatAs12HourClockFixed("23:00");
+const targetOutput2 = "11:00 pm";
+console.assert(
+  currentOutput2 === targetOutput2,
+  `current output: ${currentOutput2}, target output: ${targetOutput2}`
+); // It's output is correct
+
+const currentOutput3 = formatAs12HourClockFixed("12:00");
+const targetOutput3 = "12:00 pm";
+console.assert(
+  currentOutput3 === targetOutput3,
+  `current output: ${currentOutput3}, target output: ${targetOutput3}`
+); // It's output is correct
+
+const currentOutput4 = formatAs12HourClockFixed("00:00");
+const targetOutput4 = "12:00 am";
+console.assert(
+  currentOutput4 === targetOutput4,
+  `current output: ${currentOutput4}, target output: ${targetOutput4}`
+); // It's output is correct
+
+const currentOutput5 = formatAs12HourClockFixed("15:30");
+const targetOutput5 = "3:30 pm";
+console.assert(
+  currentOutput5 === targetOutput5,
+  `current output: ${currentOutput5}, target output: ${targetOutput5}`
+); // It's output is correct
+
+const currentOutput6 = formatAs12HourClockFixed("11:45");
+const targetOutput6 = "11:45 am";
+console.assert(
+  currentOutput6 === targetOutput6,
+  `current output: ${currentOutput6}, target output: ${targetOutput6}`
+); // It's output is correct

From 3f5575748f69e95e7ca7fccc9a22f7e90eca5507 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Mon, 13 Oct 2025 21:02:28 +0100
Subject: [PATCH 13/16] Change variable name to be more descriptive

---
 Sprint-2/1-key-errors/0.js | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 42b9812bd..64ddf799f 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -4,18 +4,16 @@
 // 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 : Because str has been used(declared) twice. As an input(parameter) to the function(capitalise) and with let. We should used a different variable.
 
 // =============> write your new code here :
-/*
+
 function capitalise(str) {
-  let cap = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return cap;
+  let capitalised = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return capitalised;
 }
 console.log(capitalise("fares"));
-*/

From a5b3bee2f32ec9724f863fe90af4bd4cb01835aa Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Mon, 13 Oct 2025 21:11:51 +0100
Subject: [PATCH 14/16] Editing comment

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

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index 9a03a3f60..a344621ec 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 : There is no return statement for the parameters.
+// =============> write your prediction here : There is no return statement for the parameters. because of this, the function returns undefined.
 
 function multiply(a, b) {
   console.log(a * b);

From 503eb4f8782f7287d3605d8860509ec387b998b0 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Mon, 13 Oct 2025 21:21:07 +0100
Subject: [PATCH 15/16] Re-answering the explation part

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

diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 8a78f3e8b..8d01432a3 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 : A syntax error for the semicolon after return.
+//  =============> write your prediction here : There will be an error in return line.
 
 function sum(a, b) {
   return;
@@ -8,7 +8,7 @@ function sum(a, b) {
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
-// =============> write your explanation here : The semicolon after return end the statement. So there will be no value returned from the function.
+// =============> write your explanation here :  The return statement ends the function immediately. Since there is a line break after return, JavaScript automatically inserts a semicolon, so the function returns undefined and the expression a + b is never executed.
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here

From 49136ce5e00a027b53c2e982c21c347f11e56cd1 Mon Sep 17 00:00:00 2001
From: Fares Bakhet <faresak47roo@gmail.com>
Date: Mon, 13 Oct 2025 21:29:26 +0100
Subject: [PATCH 16/16] Replace .toFixed with Math.round to avoid convert
 numbers to string

---
 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 fd46194bc..c1cb6e4c1 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) {
-  const bmi = (weight / (height * height)).toFixed(1); //.toFixed(1)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed
+  const bmi = Math.round((weight / (height * height)) * 10) / 10;
   return bmi;
   // return the BMI of someone based off their weight and height
 }