"""Period IDs Model."""


class PeriodIds:
    """Period IDs class."""

    def __init__(self, period_ids):
        """Create an array of accounting period ids."""
        self._period_ids = [int(i) for i in period_ids]

    def __str__(self):
        """To String method."""
        return ', '.join([str(i) for i in self._period_ids])