def mark(self, slot=''):
        """ Mark the current time into the slot 'slot' """

        # Note: 'slot' has to be string type
        # we are not checking it here.
        
        self.timedict[slot] = time.time()
 Mark the current time into the slot 'slot' 
recipes/Python/496938_A_basic_time_profiler/recipe-496938.py