update: step-by-step breakdown of each line in this program

and describe the purpose  in sprint -1 of 3-to-pounds.js

Author: SuWebOnes

Sprint-1/3-mandatory-interpret/3-to-pounds.js

@@ -24,4 +24,9 @@ console.log(`£${pounds}.${pence}`);
 // Try and describe the purpose / rationale behind each step
 
 // To begin, we can start with
-// 1. const penceString = "399p": initialises a string variable with the value "399p"
+// 1. const penceString = "399p": initialize a string variable with the value "399p"
+//2. Removes the trailing "p" from the string: and result will be 399
+//3. Ensures the number has at least 3 digits by padding from the left with zeros: like 000
+//4. Extracts the pound portion: "3"
+//5.Extracts the pound portion: "99"
+//6. Extracts the pound portion: in the standard monetary format of pounds and pence: "£3.99"