Implement toPounds function with test cases for converting pence to pounds

Author: HadiVahidi20

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

@@ -4,3 +4,16 @@
 // 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("399p")); 
+console.log(toPounds("9p"));   
+console.log(toPounds("85p"));  
+console.log(toPounds("1200p")); 
+// it works for all the test cases