PYTHON

setup logger python

# Logger setup in python
def get_logger(self) -> logging.RootLogger:
    """instance of logger module, will be used for logging operations"""
    
    # logger config
    logger = logging.getLogger(__name__)
    logger.setLevel(logging.DEBUG)

    # log format
    lg_format = "%(levelname)s|%(filename)s:%(lineno)d|%(asctime)s|%(message)s"
    log_format = logging.Formatter(lg_format)

    # file handler
    file_handler = logging.FileHandler("log/monitor_model.log")
    file_handler.setFormatter(log_format)

    logger.handlers.clear()
    logger.addHandler(file_handler)
    return logger

create log in python

logging.basicConfig(filename="logfilename.log", level=logging.INFO)
# Log Creation

logging.info('your text goes here')
logging.error('your text goes here')
logging.debug('your text goes here')

create login system in python

def Login():
  while (loop == 'true'):
      username = input("Please enter your username: ")
      if (username == CorrectUsername):
          password = input("Please enter your password: ")
          if (password == CorrectPassword):
              print("Logged in successfully as ") + username
              loop = 'false'
          else:
              print "Password incorrect!"
      else:
          print "Username incorrect!"

python log file

import logging
logging.basicConfig(filename='example.log', encoding='utf-8', level=logging.DEBUG)
logging.debug('This message should go to the log file')
logging.info('So should this')
logging.warning('And this, too')
logging.error('And non-ASCII stuff, too, like Øresund and Malmö')

python how to use logarithm

//Logarithm Functions

print(math.log(10))
print(math.log(10, 10))

log in python

def log(x,base):
    result = ln(x)/ln(base)
    return result

def ln(x):
    n = 100000.0
    return n * ((x ** (1/n)) - 1)

print(log(2,4))

#code by fawlid