---
- name: Configuring repolist through module
  hosts: nodes
  tasks:
    - block:
         - name: Real Work
           yum_repository:
               baseurl: file:///mnt/AppStream
               description: "These is AppStream Repo"
               enabled: true
               gpgcheck: false
               name: AppStream
               reposdir: /etc/yum.repos.d/
               state: absent
               file: AppStream
         - name: Real Work
           yum_repository:
               baseurl: file:///mnt/BaseOS
               description: "These is BaseOS Repo"
               enabled: true
               gpgcheck: false
               name: BaseOS
               reposdir: /etc/yum.repos.d/
               state: absent
               file: BaseOS

      when: ansible_distribution == "RedHat"
      rescue:
        - name: If the block task fail then use standy method in rescue
          copy:
            src: /tmp/local.repo
            dest: /etc/yum.repos.d/
...
# Block and rescue demonstration when any task in the block mode get failed the below rescue mode get executed
# Create the manual failure of the task mentioned in the block section ans see how ansible continues with rescue task.