diff --git a/Python/TestFor9.py b/Python/TestFor9.py
index b5885f6..0cd0b03 100644
--- a/Python/TestFor9.py
+++ b/Python/TestFor9.py
@@ -3,14 +3,14 @@ def test_for_9(quotient):
     a multiple of 9, without using the modulo operator.
     This can be done, by checking if the digit sum, 
     is 9, once it gets to be a single digit."""
-    digit_sum = int(quotient)
-    while digit_sum > 9:
-        digits = str(digit_sum)
+    digit_sum = int(quotient)   # Takes the given number and convert into int
+    while digit_sum > 9:    # Checks if the number provided by user is greater than 9
+        digits = str(digit_sum) # Convert digits into string for individual purpose
         total = 0
-        for digit in digits:
-            total += int(digit)
+        for digit in digits:    # For loop to use individual digit for digit sum
+            total += int(digit) # Adds each digit to get digit sum
         digit_sum = total
-    if digit_sum == 9:
+    if digit_sum == 9: # If loop for digit sum == 9
         return True
     else:
         return False