Implement toPounds function to convert pence to pounds

Author: Monsur0001

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

@@ -1,6 +1,53 @@
 // In Sprint-1, there is a program written in 3-mandatory-interpret/3-to-pounds.js
 
 // You will need to take this code and turn it into a reusable block of code.
+
+const penceString = "399p";
+
+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");
+
+console.log(`£${pounds}.${pence}`);
+
+
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
+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}`;
+}
+
 // You should call this function a number of times to check it works for different inputs
+
+console.log(toPounds("399p")); // Output: £3.99
+console.log(toPounds("5p"));   // Output: £0.05
+console.log(toPounds("1234p")); // Output: £12.34
+console.log(toPounds("0p"));    // Output: £0.00
+
+