def make_list(filename):
    """
    Make the initial python list by reading the csv file.
    :param filename: path to csv file
    :return: a python list of lats, longs, and destination type
    """
    # with open(filename) as f:
    pois = []
    file = open(filename, 'r')
    for line in file:
        ls = line.split(",")
        entry = ((float(ls[1]), float(ls[2])), int(ls[3]))
        pois.append(entry)
    return pois