```def log_it(): logger = get_run_logger() <http://logger.info|logger.info>("INFO level log ...

# pacc-july-6-2023

Dima Anoshin

07/06/2023, 2:22 PM

Copy code

def log_it():
    logger = get_run_logger()
    <http://logger.info|logger.info>("INFO level log message.")
    logger.debug("You only see this message if the logging level is set to DEBUG. 🙂")

when we have a flow and we want to add logs, should logs be another flow or task?

👀 1

Emil Christensen

07/06/2023, 2:24 PM

You can use logs anywhere inside flows and tasks (and other python functions) as long as you get the

logger

. They do not have to be separated out.

Emil Christensen

07/06/2023, 2:27 PM

The most important rule is that you’re in the scope of at least one flow. In other words, once you’re in a function decorated with

@flow

or inside a function it calls, you can log from there.

Dima Anoshin

07/06/2023, 2:30 PM

I see:

Copy code

@task(retries=4, retry_delay_seconds=0.1)
def save_weather(temp, windspeed, rain):
    logger = get_run_logger()
    <http://logger.info|logger.info>("Saving weather data...")
    with open("weather.csv", "w+") as w:
        w.write(str(temp) + ", " + str(windspeed) + ", " + str(rain) + "\n")
    <http://logger.info|logger.info>("Weather data saved successfully.")
    return "Successfully wrote temp, windspeed, and rain"

Dima Anoshin

07/06/2023, 2:30 PM

another question I have, for our past lab with weather, how cache or persist result can be helpful? and what is the difference between cache and persist result?

👀 1

Emil Christensen

07/06/2023, 2:35 PM

Let’s review results and caching when we regroup.

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