def get_point(values, pct):
    """
    Pass in array values and return the point at the specified top percent
    :param values: array: float
    :param pct: float, top percent
    :return: float
    """
    assert 0 < pct < 1, "percentage should be lower than 1"
    values = sorted(values)
    return values[-int(len(values)*pct)]