First inventory & playbook

first-inventory.ini

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+; first-inventory.ini
+[my-localhost]
+127.0.0.1 ansible_connection=local

first-playbook.yml

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+# first-playbook.yml
+---
+- name: Basic tasks
+  # This host is defined in the `first-inventory.ini`
+  hosts: my-localhost
+  tasks:
+    - name: Execute uptime command
+      command: uptime
+      register: uptime_result
+    - debug: var=uptime_result.stdout_lines
+
+    - name: Check OS release
+      command: sw_vers
+      register: os_result
+    - debug: var=os_result.stdout_lines