code: def check_wrapper(fun):
      '''Decorate a checking function'''
      @wraps(fun)
      def _wrapper(*args, **kwargs):
          '''Sets the title property of the result of running a checker'''
          title = fun.__name__.replace('_', ' ').capitalize()
          result = fun(*args, **kwargs)
          result.title = title
          return result
  
      return _wrappef check_wrapper(fun):
      '''Decorate a checking function'''
      @wraps(fun)
      def _wrapper(*args, **kwargs):
          '''Sets the title property of the result of running a checker'''
          title = fun.__name__.replace('_', ' ').capitalize()
          result = fun(*args, **kwargs)
          result.title = title
          return result
  
      return _wrapper
docs: Decorate a checking function