diff --git a/python-for-beginners/12 - Loops/number.py b/python-for-beginners/12 - Loops/number.py
index b9d4caad..d3eebd8d 100644
--- a/python-for-beginners/12 - Loops/number.py	
+++ b/python-for-beginners/12 - Loops/number.py	
@@ -1,6 +1,11 @@
-# range creates an array
-# First parameter is the starter
-# Second indicates the number of numbers to create
+# range() returns a sequence of numbers
+# optional( by default it starts with 0) : First parameter is the starter
+# Second parameter(Required) indicates where it need to stop but that number will be exculded in range()
+# If you want to include the last number then just add by 1
 # range(0, 2) creates [0, 1]
-for index in range(0, 2):
+# Third Parameter(Optional) : This number will tell the program to take a jump(increment/decrement) in that range. By default the value for jump is +1.
+
+for index in range(10):
 	print(index)
+	
+#This program will print the number from 0 to 9 in new lines. Since the 10 is exculded it will not print it