From 32407f92f9fd0ce28e3fba5ec44b26a38b344a5e Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 09:52:22 +0000
Subject: [PATCH 01/14] Update .gitignore to include .vscode directory

---
 .gitignore | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index bde36e5302..a4da420804 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 node_modules
 .DS_Store
-.vscode
-**/.DS_Store
\ No newline at end of file
+.vscode/
+**/.DS_Store

From bfbcbe1125a50f17bfb109da5fe152edcbe42a18 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 20:16:38 +0000
Subject: [PATCH 02/14] explained error and removed let

---
 Sprint-2/1-key-errors/0.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a07..1d134af3dd 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 this function capitalise is meant to make the first letter of a string into uppercase then return the string
 
 // 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
-// =============> write your new code here
+// I got the error "SyntaxError: Identifier 'str' has already been declared" 
+// to fix this, I just removed the word let in line 8. This gave a value to str without trying to declare it again
+// I ran the new code and there were no errors
+
+//  function capitalise(str) {
+//    str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//    return str;
+//  }

From 2b742f7463b2d8a3e7e7642b8694b4e24de43740 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:01:10 +0000
Subject: [PATCH 03/14] prediction, explanation and correct code

---
 Sprint-2/1-key-errors/1.js | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f4..1c02b767a9 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
+// =============> decimalNumber is defined within the function so it will not be recognised in console.log(decimalNumber);
 
 // Try playing computer with the example to work out what is going on
 
@@ -14,7 +14,24 @@ function convertToPercentage(decimalNumber) {
 
 console.log(decimalNumber);
 
-// =============> write your explanation here
+// =============>  this is a function to convert a decimal number to a percentage - function declared
+// the decimal number is declared as 0.5  
+// percentage is calculated by multiplying the decimal // number by 100 and then adding the % symbol 
+// the answer returned is named percentage and gives a // number followed by %
+// the answer will be printed in console
 
 // Finally, correct the code to fix the problem
-// =============> write your new code here
+// =============> // the error was actually 'decimalNumber' has already been declared
+// this was because decimalNumber was declared inside the function convertToPercentage(decimalNumber)
+// and declared again within the function with the const statement
+// once const decimalNumber = 0.5; was moved outside the function this error was resolved
+// that way the global decimalNumber exists and the function can still accept it as an argument
+
+
+// const decimalNumber = 0.5;
+// function convertToPercentage(decimalNumber) {
+//   const percentage = `${decimalNumber * 100}%`;
+//   return percentage;
+// }
+// console.log(decimalNumber);
+

From 4c0e0ebafdbb1af7ee13d325066c6ab23da1bacd Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:05:47 +0000
Subject: [PATCH 04/14] predict, explain and code

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

diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cfe..5922044d4b 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -3,18 +3,33 @@
 
 // this function should square any number but instead we're going to get an error
 
-// =============> write your prediction of the error here
+// =============> I think that return can only return a value not do a calculation 
+// so this will return an error because it is trying to do a calculation instead of returning a value
 
 function square(3) {
     return num * num;
 }
 
-// =============> write the error message here
 
-// =============> explain this error message here
+function square(3) {
+    return num * num;
+}
+
+// =============> SyntaxError: Unexpected number
+
+// =============> this is because variables and parameters in functions cannot start with a number or be a number
+// however, return can be used for calculations so my prediction was wrong
+
 
 // Finally, correct the code to fix the problem
 
-// =============> write your new code here
+// =============> 
+// function square (num) {
+//   return num * num;
+// }
+// console.log(square(5));
+
+// ran console.log to ensure it works
+
 
 

From 3f9d9b636ab382741aa92f98ed21a8c5d33cea49 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:09:32 +0000
Subject: [PATCH 05/14] predict explain and fix code

---
 Sprint-2/2-mandatory-debug/0.js | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b417..7dc01ccb95 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -1,6 +1,9 @@
 // Predict and explain first...
 
-// =============> write your prediction here
+// =============> when the console.log outside the function is performed $(multiply(10, 32)) 
+// it will print the text The result of multiplying by 10 and 32 is
+// but then will state undefined for the value
+
 
 function multiply(a, b) {
   console.log(a * b);
@@ -8,7 +11,21 @@ function multiply(a, b) {
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// =============> write your explanation here
+// =============> there is no return 
+// console.log(a*B) printed the result of multiplying a and b but because there is no return 
+// the answer was not returned to the function so the console.log outside the function did not 
+// receive the value and printed undefined instead
+
 
 // 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)}`);
+
+// I removed the first console.log because it didn't seem necessary to print out 320
+// if you need to print 320 as well as the final console-log statement then console.log(a * b) 
+// can be added back in but it would need to be before the return statement because if it is
+// after the return statement it will never be reached and the value will not be printed out
+

From 966c2c247a4ee30089ed5b1c27f3fccb7ba1a919 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:15:11 +0000
Subject: [PATCH 06/14] precting, explain and new code

---
 Sprint-2/2-mandatory-debug/1.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcfd..b4a4cbf474 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,5 +1,7 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> the function will not perform a + b and will return undefined in the 
+ console.log function
+
 
 function sum(a, b) {
   return;
@@ -8,6 +10,14 @@ function sum(a, b) {
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
-// =============> write your explanation here
+// =============> there shouldn't be a semi-colon after return
+// this will signify the end of function so a + b will not be performed therefore there 
+// is no answer to return to print in the console.log 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 4dc8fb6d63c3e48dce686ccb1e2e5d879de6be79 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:30:00 +0000
Subject: [PATCH 07/14] tests and amendments

---
 Sprint-2/2-mandatory-debug/2.js | 38 +++++++++++++++++++++++++++++----
 1 file changed, 34 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc35..18863ec5f5 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -1,7 +1,10 @@
 // Predict and explain first...
 
 // Predict the output of the following code:
-// =============> Write your prediction here
+// =============> the function has no parameter so will use the 
+// global value of num for num.toString which means it will always 
+// return 3 which is the last digit of 103
+
 
 const num = 103;
 
@@ -14,11 +17,38 @@ 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
+// =============> 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
+// =============> the function has no parameter so will use the 
+// global value of num for num.toString
+
 // 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)}`);
+
+// removed  const num = 103; and then added num as a parameter to the function 
+// getLastDigit so that it can take in the value of num when the function is 
+// called and return the last digit of that number instead of always using 
+// the global value of num which was 103.
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem
+
+// num was not declared within the function so the global value of num in the 
+// the const declaraton was used for each number
+//I corrected this by putting num as a parmaeter for the function so that it can take 
+//in the value of num when the function is run for any number and return the last digit 
+//of the number instead of always using the fixed value of num which was 103.
+//I also removed the const declaration of num because it was not needed and was causing 
+//confusion as to which value of num was being used in the function.
+

From 32001701cb6092c5695a0dcf3628639ae616fece Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:33:22 +0000
Subject: [PATCH 08/14] amended calculations for BMI

---
 Sprint-2/3-mandatory-implement/1-bmi.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1b..3630b45c7f 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -16,4 +16,7 @@
 
 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);  //calculation to calculate BMI
+    return bmi.toFixed(1);  
+}
+console.log(calculateBMI(70, 1.73));

From c3f25c22ad9ac23aa088be4a5ce1776d6fdcf053 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:35:50 +0000
Subject: [PATCH 09/14] upperSnake solution

---
 Sprint-2/3-mandatory-implement/2-cases.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad9..4e4e04d3c2 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,19 @@
 // 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 toUpperSnakeCase(str) {
+ 
+    return str.toUpperCase().split('').map(function(c) {  
+    // splits string into individual characters and maps each character to a new value
+   
+        return /[A-Z0-9]/.test(c) ? c : '_';
+        // checks if the character is an uppercase letter or a digit
+ 
+    }).join('');
+  // joins the array of characters back into a single string and replaces spaces with underscores
+}
+
+console.log(toUpperSnakeCase("there-once was/a young lady from+London"));
+console.log(toUpperSnakeCase("hello.world! test+123"));
+

From f2897ab95e674b9003c86185582bd9e7367b4cab Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:37:53 +0000
Subject: [PATCH 10/14] created function getPenceString

---
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a703..a08c01ca8d 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,21 @@
 // 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 getPenceString(penceString){
+
+const penceStringWithoutTrailingP = penceString.substring(0,penceString.length - 1);
+    //removes p
+const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+    //puts zeros in front of number if less than 3 digits
+const pounds = paddedPenceNumberString.substring(0,paddedPenceNumberString.length - 2);
+    //removes last 2 digits to get pounds
+const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2).padEnd(2, "0");
+    //gets last 2 digits to get pence, if less than 2 digits adds zeros to end of string but shouldnt be less than 3
+    //due to padStart above
+return `£${pounds}.${pence}`;
+    // returns string with pounds and pence in correct format
+}
+
+console.log(getPenceString("399p"));
+    // tested with 123p 1200p 24589p 89p 9p and 0p

From 849f01e0f097799432424cd4fbabbb65c757befb Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:43:36 +0000
Subject: [PATCH 11/14] answered questions

---
 Sprint-2/4-mandatory-interpret/time-format.js | 27 +++++++++++++++----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 7c98eb0e8c..2b6cf0ea85 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -10,6 +10,7 @@ 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
@@ -17,18 +18,34 @@ function formatTimeDisplay(seconds) {
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here
+// =============> pad will be called 3 times, once for pad(totalHours, 
+// once for (pad)remainingMinutes and once for (pad)remainingSeconds
+
 
 // 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
+// =============> The first call to pad is pad(totalHours).
+//totalHours is calculated as totalMinutes // 60.
+//For the input 61, seconds is 61, remainingSeconds is 1, and totalMinutes is 1.
+//So, totalHours is 1 // 60 = 0.
+//Therefore, num is assigned the value 0 when pad is called for the first time.
+
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here
+// =============> The first call to pad is pad(totalHours).
+//totalHours is calculated as totalMinutes // 60.
+//For the input 61, totalMinutes is (61 - 1) // 60 = 1.
+//So, totalHours is 1 // 60 = 0.
+//pad(0) returns the string representation of 0, padded with zeros to a minimum length of 2, which is "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
+// =============> We look at the last call to pad, which is pad(remaining_seconds).
+//remaining_seconds is calculated as seconds % 60.
+//For the input 61, seconds % 60 equals 1.
+//So, pad(remaining_seconds) is equivalent to pad(1). The value assigned to num in the last call to pad 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
+// =============> For the input 61, remaining_seconds will be 1. So, pad(1) will return "01". Therefore, the value assigned to num is 1.

From 8be3b9d3cc3602b972edc78cfc302e393e4b5813 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:46:57 +0000
Subject: [PATCH 12/14] amendments

---
 Sprint-2/4-mandatory-interpret/time-format.js | 3 ++-
 Sprint-2/5-stretch-extend/format-time.js      | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 2b6cf0ea85..683ed89ba6 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -48,4 +48,5 @@ console.log(formatTimeDisplay(61));
 
 
 // e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> For the input 61, remaining_seconds will be 1. So, pad(1) will return "01". Therefore, the value assigned to num is 1.
+// =============> For the input 61, remaining_seconds will be 1. So, pad(1) will return "01". 
+// Therefore, the value assigned to num is 1.
diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js
index 32a32e66b8..2ac536f761 100644
--- a/Sprint-2/5-stretch-extend/format-time.js
+++ b/Sprint-2/5-stretch-extend/format-time.js
@@ -23,3 +23,5 @@ console.assert(
   currentOutput2 === targetOutput2,
   `current output: ${currentOutput2}, target output: ${targetOutput2}`
 );
+
+console.log formatAs12HourClock("14:00"); // should return "2:00 pm"

From d6e7596bf2904f55c26e9901d47fa756592a4342 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Thu, 5 Mar 2026 22:56:56 +0000
Subject: [PATCH 13/14] trigger workflow


From af41f53eb5c6944b3519666770e094aba0521466 Mon Sep 17 00:00:00 2001
From: Hayriye Saricicek <mshayriyesaricicek@gmail.com>
Date: Sat, 7 Mar 2026 00:34:02 +0000
Subject: [PATCH 14/14] amendments made

---
 Sprint-2/3-mandatory-implement/1-bmi.js   | 5 ++++-
 Sprint-2/3-mandatory-implement/2-cases.js | 3 ++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 3630b45c7f..1ac2f387c0 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -16,7 +16,10 @@
 
 function calculateBMI(weight, height) {
     // return the BMI of someone based off their weight and height
+    // this will be a number to 1 decimal place
     const bmi = weight / (height * height);  //calculation to calculate BMI
-    return bmi.toFixed(1);  
+    return Number(bmi.toFixed(1));  
 }
 console.log(calculateBMI(70, 1.73));
+
+// tested and it works, the function calculates the BMI correctly and returns it to 1 decimal place.
diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 4e4e04d3c2..a9b0237c7e 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -24,7 +24,8 @@ function toUpperSnakeCase(str) {
         // checks if the character is an uppercase letter or a digit
  
     }).join('');
-  // joins the array of characters back into a single string and replaces spaces with underscores
+  // joins the array of characters back into a single string and replaces spaces or special 
+  // characters such as "?" with underscores
 }
 
 console.log(toUpperSnakeCase("there-once was/a young lady from+London"));