import ipaddress


def get_broadcast_address(ip_network):
    """Given a network, determine the broadcast IP address.

    Args:
        ip_network (str): An IP network in string format that is able to be converted by `ipaddress` library.

    Returns:
        str: IP address formatted string with the broadcast IP address in the network.

    Example:
        >>> from netutils.ip import get_broadcast_address
        >>> get_broadcast_address("10.100.0.0/16")
        '10.100.255.255'
        >>>
    """
    return str(ipaddress.ip_network(ip_network).broadcast_address)