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# Closures

import logging

logging.basicConfig(filename='example.log', level=logging.INFO)

def logger(func):

def log_func(*args):

logging.info(

'Running "{}" with arguments {}'.format(func.__name__, args))

print(func(*args))

return log_func

def add(x, y):

return x+y

def sub(x, y):

return x-y

add_logger = logger(add)

sub_logger = logger(sub)

add_logger(3, 3)

add_logger(4, 5)

sub_logger(10, 5)

sub_logger(20, 10)