Implement BMI calculation and UPPER_SNAKE_CASE conversion functions; add test cases for validation

Author: Baba05206

Sprint-2/3-mandatory-implement/1-bmi.js

@@ -15,5 +15,10 @@
 // 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
-}
+  // return the BMI of someone based off their weight and height
+  const bmi = weight / (height * height);
+  return parseFloat(bmi.toFixed(1));
+}
+console.log(calculateBMI(70, 1.73)); // This line is inserted only to test the function. It returns 23.4
+console.log(calculateBMI(80, 1.8)); // This line is inserted only to test the function. It returns 24.7
+console.log(calculateBMI(90, 1.75)); // This line is inserted only to test the function. It returns 29.4

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 toUpperSnakeCase(str) {
+  // return the string in UPPER_SNAKE_CASE
+  return str.toUpperCase().replace(/ /g, "_");
+}
+console.log(toUpperSnakeCase("hello there")); // This line is inserted only to test the function. It returns "HELLO_THERE"
+console.log(toUpperSnakeCase("lord of the rings")); // This line is inserted only to test the function. It returns "LORD_OF_THE_RINGS"

Sprint-2/3-mandatory-implement/3-to-pounds.js

@@ -4,3 +4,28 @@
 // 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) {
+  // Convert a string representing an amount in pence (e.g., "123p") to pounds and pence format (e.g., "£1.23")
+
+  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(toPounds("5555p")); // This line is inserted only to test the function. It returns "£55.55"
+console.log(toPounds("399p")); // This line is inserted only to test the function. It returns "£0.05"
+console.log(toPounds("50p")); // This line is inserted only to test the function. It returns "£0.50"
+console.log(toPounds("500p")); // This line is inserted only to test the function. It returns "£5.00"

Sprint-2/4-mandatory-interpret/time-format.js

@@ -10,20 +10,22 @@ function formatTimeDisplay(seconds) {
 
   return `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`;
 }
+console.log(formatTimeDisplay(61)); // This line is inserted only to test the function. It returns "00:01:01"
 
+// Here is a function that takes a number of seconds and returns a string formatted as "HH:MM:SS"
 // 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
-
+//3 times
 // Call formatTimeDisplay with an input of 61, now answer the following:
-
+// 00:01:01
 // b) What is the value assigned to num when pad is called for the first time?
 // =============> write your answer here
-
+//61
 // c) What is the return value of pad is called for the first time?
 // =============> write your answer here