from typing import List


def get_box(normalized_vertices: List):
    """
    Return the relative bounxing box coordinates
    defined by the tuple (y_min, x_min, y_max, x_max)
    where the coordinates are floats in the range [0.0, 1.0] and
    relative to the width and height of the image.
    """
    y = []
    x = []
    for box in normalized_vertices:
        y.append(box.y)
        x.append(box.x)

    box = [min(set(y)), min(set(x)), max(set(y)), max(set(x))]

    rounding_decimals = 5
    box = [round(coord, rounding_decimals) for coord in box]
    return box