import csv


def load_csv(filename):
    """Load a CSV file and return a list with datas (corresponding to truths or
    predictions).
    """
    datas = list()
    with open(filename, 'r') as opened_csv:
        read_csv = csv.reader(opened_csv, delimiter=',')
        for line in read_csv:
            datas.append(line[1])
    # Clean the header cell
    datas.remove("Hogwarts House")
    return datas