"""This is the 'nester.py' module, and it providesone function called print_lol()
    which prints lists that may or may not include nested lists."""

def print_lol(the_list, level):
    """This function takes a positional argument called 'the_list', which
        is any Python list (of possibly,nested lists). Each data item in the
        provided list is (recursively) printed to the screem on its own line.
        A second argument called 'level' is used to insert tab-stops when a nested list is encountered."""

    for each_item in the_list:
        if isinstance(each_item, list):
            print_lol(each_item, level+1)
        else:
            for tab_stop in range(level):
                print("\t", end='')
            print(each_item)
