code: def get_program_type_by_slug(self, slug):
          
          return self._load_data(
              self.PROGRAM_TYPES_ENDPOINT,
              resource_id=slug,
              default=None,
          )
docs: Get a program type by its slug.
  
          Arguments:
              slug (str): The slug to identify the program type.
  
          Returns:
              dict: A program type object.