def string_to_list(coor_str):
    """
    Method that transforms a list of coordinate lists into a tuple
    with latitude and longitude values.

    Params:
    ----------
    coord_str: String
        - List of coordinate lists

    Return:
    ----------
    coord: Tuple
        - Latitude and longitude values.
    """
    b = coor_str.replace("[", "")
    b = b.replace("]", "")

    coor_str = b.split(", ")
    # print(coor_str)

    lat = []
    lon = []
    for i in range(len(coor_str)):
        if i % 2 == 0:
            lat.append(float(coor_str[i]))
        else:
            lon.append(float(coor_str[i]))

    # print("Lat: ", sum(lat) / len(lat))
    # print("Lon: ", sum(lon) / len(lon))
    return (lat, lon)