code: async def get_permitted(request, permission, context):
      
  
      groups = await get_user_groups(request)
      if groups is None:
          return False
  
      for action, group, permissions in context:
          if group in groups:
              if permission in permissions:
                  return action == Permission.Allow
  
      return False
docs: Returns true if the one of the groups in the request has the requested
      permission.
  
      The function takes a request, a permission to check for and a context. A
      context is a sequence of ACL tuples which consist of a Allow/Deny action,
      a group, and a sequence of permissions for that ACL group. For example::
  
          context = [(Permission.Allow, 'view_group', ('view',)),
                     (Permission.Allow, 'edit_group', ('view', 'edit')),]
  
      ACL tuple sequences are checked in order, with the first tuple that matches
      the group the user is a member of, and includes the permission passed to
      the function, to be the matching ACL group. If no ACL group is found, the
      function returns False.
  
      Groups and permissions need only be immutable objects, so can be strings,
      numbers, enumerations, or other immutable objects.
  
      Args:
          request: aiohttp Request object
          permission: The specific permission requested.
          context: A sequence of ACL tuples
  
      Returns:
          The function gets the groups by calling get_user_groups() and returns
          true if the groups are Allowed the requested permission, false
          otherwise.
  
      Raises:
          RuntimeError: If the ACL middleware is not installed