import logging
logging.basicConfig (filename="logging.log",
                     filemode="a",
                     format="%(asctime)s : %(name)s - %(levelname)s : '%(message)s'"
                     ,datefmt="%Y/%b/%d %H:%M:%S"
                    )
my_logger1 =logging.getLogger ("Elz")
my_logger2 =logging.getLogger ("OS")

my_logger2.error ("This is Error")

print(open("logging.log").read ())