import pickle


def read_pickled_data(pickle_id):
    """
    Loads pickled data based on ID string. 
    
    Parameters
    ----------
    filter_id : str
        An ID strong made of the month of the request and the a hash-value generated from the filter settings. 

    Returns
    -------
    data: list
        A list containing one or more files

    """ 
    data = []
    with open(pickle_id+".pickle", "rb") as f:
        for _ in range(pickle.load(f)):
            data.append(pickle.load(f))
    return data