diff --git a/playbooks/calculator_job1.yaml b/playbooks/calculator_job1.yaml
index 1b7c1b0..c89b5f8 100644
--- a/playbooks/calculator_job1.yaml
+++ b/playbooks/calculator_job1.yaml
@@ -1,6 +1,9 @@
-- hosts: all
+- hosts: localhost
   become: true
   tasks:
-  - name: Copy and Execute the script
-    script: /playbooks/calculator1.py
-  
+    - name: Unit test
+      shell: |
+             cd src
+             ls
+             echo "Runing unit test for add.py which is dynamic code getting 2 argument in command line"
+             python ./testing/calculator.py