ThriceGood

from functools import wraps
import time

def memoize(lookup):
    cache = {}
    @wraps(lookup)
    def wrapper(key):
        if key in cache:
            print "from cache"
            return cache[key]

ThriceGood

import logging
import os

class Logger:

	def __init__(self, name):
		self.create_log_dir()
		self.logger = logging.getLogger('{}'.format(name))
		format = "%(asctime)s [%(levelname)s]:  %(message)s"
		logging.basicConfig(format=format, level=logging.DEBUG)