diff --git a/.github/workflows/03-core-features--02-step-types.yaml b/.github/workflows/03-core-features--02-step-types.yaml
index 8abea6b1..c454ff02 100644
--- a/.github/workflows/03-core-features--02-step-types.yaml
+++ b/.github/workflows/03-core-features--02-step-types.yaml
@@ -11,6 +11,9 @@ jobs:
 
   say-hello-inline-python:
     runs-on: ubuntu-24.04
+    needs:
+      - say-hello-action
+      - say-hello-inline-bash
     steps:
       - run: print("Hello from an inline python script in a GitHub Action Workflow!")
         shell: python
@@ -21,4 +24,4 @@ jobs:
       - uses: actions/hello-world-javascript-action@081a6d193d1dcb38460df1e6927486d748730f9d # v1.1
         # - uses: actions/hello-world-javascript-action@v1 # This would work, but it would be less stable and less secure:
         with:
-          who-to-greet: "from an action in the GitHub Action marketplace! 👋"
+          who-to-greet: "running an action in the GitHub Action marketplace"
diff --git a/.github/workflows/ex01.yaml b/.github/workflows/ex01.yaml
new file mode 100644
index 00000000..bc5752ef
--- /dev/null
+++ b/.github/workflows/ex01.yaml
@@ -0,0 +1,25 @@
+name: first_workflow
+
+on:
+    workflow_dispatch:
+      
+jobs:
+  first_job:
+    runs-on: ubuntu-22.04
+    steps:
+      - run: print("this is the first job written in python")
+        shell: python
+    
+  second_job:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "Hey, this is the second job written in shell script"
+
+  third_job:
+    runs-on: ubuntu-24.04
+    needs:
+        - first_job
+        - second_job
+    steps:
+      - run: console.log("Hey, this is the third job written in javascript")
+        shell: node
\ No newline at end of file