DateTime Error Log

dtlog.py

def logtime(message, logfile):
	"""Writes a message to a log file, as well as the time"""
	log = open(logfile, 'a')
	log.write("Error at:")
	log.write(str(datetime.datetime.now()))
	log.write(message)
def relog(message, logfile):
	"""Overwrites the log file and writes a message to the log file, as well as the time"""
	log = open(logfile, 'w')
	log.write(str(datetime.datetime.now()))
	log.write(message)
def readlog(message, logfile):
	"""Reads the log file"""
	log = open(logfile, 'r')
	log.readlines()