diff --git a/exercise/dictionary.py b/exercise/dictionary.py
index 0fe7ec6..9bb7f4d 100644
--- a/exercise/dictionary.py
+++ b/exercise/dictionary.py
@@ -1,10 +1,15 @@
+#Creating Dictionery
 myword = {"centos": "Open source server distribution.",
         "ubuntu": "Open source desktop distribution",
         "redhat": "Propriatory OS.",
         "arch": "Open Source desktop and client distribution."
         }
+#Printing all keys of dictionery
 print(myword.keys())
 print("Check Keys name from above line.")
 print("Enter your choice name:", end='')
+#take input from user to print element of dictionery.
 tia1 = input()
-print(myword[tia1])
\ No newline at end of file
+#use of get functio to access element of dictionery.
+print(myword.get(tia1,"No Such Key exist in dictionery"))
+#print(myword[tia1])