text: class Admin_string_literal:
      def __init__(self):
          Admin_string_literal.admin_menu_string = """
          Select the operation to perfrom:
              1. Create a Topic
              2. Remove a Topic
              3. Restrict a Topic
              4. Purge a Topic
              5. Edit a Message
              6. Delete a Message
              7. See last 10 subscriber
              8. See last 10 publishers
  
              Enter your option:
              """
  
  Admin_string_literal()
  