code: def logging_decorator(func):
      
      def you_will_never_see_this_name(*args, **kwargs):
          """Neither this docstring"""
          print('calling %s ...' % func.__name__)
          result = func(*args, **kwargs)
          print('completed: %s' % func.__name__)
          return result
      return you_will_never_see_this_name
docs: Allow logging function calls