# custom.py
def debug(*msg, print_separator=True):
    print(*msg)
    if print_separator:
        print('-' * 40)


debug('Data is ...')
debug('Different', 'Strings', 'Are not a problem')
debug('After while loop', print_separator=False)


"""
$ python custom.py
Data is ...
----------------------------------------
Different Strings Are not a problem
----------------------------------------
After while loop
"""