update: Implement toPounds function to convert pence strings to formatted pounds with example usage Sprint-2/3-mandatory-implement/3-to-pounds.js

Author: SuWebOnes

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

@@ -4,3 +4,32 @@
 // 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) {
+  // Remove the trailing "p" from the string
+  const penceStringWithoutTrailingP = penceString.substring(
+    0,
+    penceString.length - 1
+  );
+
+  // Ensure the number has at least 3 digits by padding from the left with zeros
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+
+  // Extract the pound portion
+  const pounds = paddedPenceNumberString.substring(
+    0,
+    paddedPenceNumberString.length - 2
+  );
+
+  // Extract the pence portion and pad right if needed
+  const pence = paddedPenceNumberString
+    .substring(paddedPenceNumberString.length - 2)
+    .padEnd(2, "0");
+
+  // Return the formatted result
+  return `£${pounds}.${pence}`;
+}
+
+// Example usage:
+console.log(toPounds("399p"));
+console.log(toPounds("155p"));
+console.log(toPounds("75p"));