solve exercise 3-t-pounds.js

Author: AbdennourHachemi

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

@@ -4,3 +4,31 @@
 // 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) {
+  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("4798P"));
+console.log(toPounds("31P"));
+console.log(toPounds("0P"));
+console.log(toPounds("-5576P"));
+console.log(toPounds("4P"));
+console.log(toPounds("832P"));
+console.log(toPounds("200000P"));