docs: def list_container_groups(self, resource_group_name):
          """Lists the container groups in the specified resource group.
  
          Arguments:
             aci_client {azure.mgmt.containerinstance.ContainerInstanceManagementClient}
                         -- An authenticated container instance management client.
             resource_group {azure.mgmt.resource.resources.models.ResourceGroup}
                         -- The resource group containing the container group(s).
          """
          print("Listing container groups in resource group '{0}'...".format(resource_group_name))
  
          container_groups = self.client.container_groups.list_by_resource_group(resource_group_name)
  
          for container_group in container_groups:
              print("  {0}".format(container_group.name))