# By Ed and Rudy Menendez
import time
class Timer(object):
    def __init__(self):
        self.bot = self.last_time = time.time()
        print u'Starting timer at %s' % self.last_time

    def tick(self, msg='Timer'):
        x = time.time()
        print '%s: Since inception %.3f, since last call %.3f' % (msg, x-self.bot, x - self.last_time)
        self.last_time = x