Added (Define Values From CSV File) to example section (#46620)

Adding a new example demonstrating setting facts from a CSV file, from a real-world network use case.

lib/ansible/plugins/lookup/csvfile.py

@@ -39,6 +39,17 @@ EXAMPLES = """
 
 - name: msg="Match 'Li' on the first column, but return the 3rd column (columns start counting after the match)"
   debug: msg="The atomic mass of Lithium is {{ lookup('csvfile', 'Li file=elements.csv delimiter=, col=2') }}"
+
+- name: Define Values From CSV File
+  set_fact:
+    loop_ip: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=1') }}"
+    int_ip: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=2') }}"
+    int_mask: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=3') }}"
+    int_name: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=4') }}"
+    local_as: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=5') }}"
+    neighbor_as: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=6') }}"
+    neigh_int_ip: "{{ lookup('csvfile', bgp_neighbor_ip +' file=bgp_neighbors.csv delimiter=, col=7') }}"
+  delegate_to: localhost
 """
 
 RETURN = """