def print_rolls_nicely(rolls):
    """
    This function prints the rolls in a more understandable way.
    """

    def format_roll(name, values):
        """
        This function prints a line in a prefined way.
        """

        return "{: <10} {}".format(name, " | ".join([str(item) for item in values]))

    print(format_roll("Index", rolls.keys()))
    print(format_roll("Values", rolls.values()))