def METHOD_NAME(self, info):
    """Find min and max for x and y coordinates in the given data (PRIVATE)."""
    x_min = info[0][0][0]
    x_max = info[0][0][0]
    y_min = info[0][0][1]
    y_max = info[0][0][1]
    for two_d_list in info:
        for x, y in two_d_list:
            if x > x_max:
                x_max = x
            if x < x_min:
                x_min = x
            if y > y_max:
                y_max = y
            if y < y_min:
                y_min = y
    return x_min, x_max, y_min, y_max