diff --git a/ch03-first-python-program/2-screw-things-up.py b/ch03-first-python-program/2-screw-things-up.py
index ba0b1c8..02364b3 100755
--- a/ch03-first-python-program/2-screw-things-up.py
+++ b/ch03-first-python-program/2-screw-things-up.py
@@ -24,3 +24,5 @@
 #
 # my_string = "hello"
 # print(my_string)
+print("hello") # if it is a string and we need to print whatever inside the "" .
+print(hello)    # If hello is a variable and we need to print the value that contained in the variable