CODE EXAMPLE FOR PYTHON

# logging

# logging
import logging

# log the execution time and a message of an action
logging.basicConfig(filename='fileName.log',
                    level=logging.INFO,
					format='%(levelname)s:%(asctime)s:%(message)s',
					datefmt="%Y-%m-%d %H:%M:%S")

logging.info('ADD TWO NUMBERS')
print(5+5)

# output in console -> 10
# output in fileName.log -> INFO:2021-12-25 17:47:27:ADD TWO NUMBERS
# Logging is a means of tracking events that happen when some software runs. Logging is important for software developing, debugging and running. If you don’t have any logging record and your program crashes, there are very little chances that you detect the cause of the problem.