import logging

# logging.disable(logging.CRITICAL)

logging.basicConfig(filename="loggingBug.txt",level=logging.DEBUG,format="%(asctime)s-%(levelname)s-%(message)s")

def factorial(num):

    total=

    logging.debug("开始运行：{}".format(num))

    for i in range(,num+):

        logging.debug("i={},total={}".format(i,total))

        total*=i

    return total

print(factorial())