python 统计程序执行时间

ds_test_time_start = datetime.datetime.now()

业务逻辑相关代码

ds_test_time_end = datetime.datetime.now()
#执行时间写入日志
fo = open("./log/cc_do_time.txt", "a")
fo.write(
    "/wpda/outstock_peibu/scan 条码：" + code + "\n开始时间：" + str(ds_test_time_start) + " 结束时间：" + str(
        ds_test_time_end) + " 执行时间： " + str(
        (ds_test_time_end - ds_test_time_start).total_seconds()) + "\n")
fo.close()