import time


class Profiler():

    def __init__(self):
        self.start = None
        self.end = None
        self.item_count = 0

    def start_timer(self):
        self.start = time.time()

    def get_elapsed_time(self):
        return time.time() - self.start

    def add_items(self, count=1):
        self.item_count = self.item_count + count

    def print_results(self):
        print('Processed {count} in {seconds} seconds.'.format(
            count=self.item_count, seconds=self.get_elapsed_time()))
        self.item_count = 0