Function to display contours

show_contours

def show_contours(contours, img):
    """
    Draw and display contours on the img provided.
    :contours: - list of contours
    :img: - on which the contour is suppose to be drawn
    """
    color = np.random.randint(0, 255, (3)).tolist()
    for cnt in contours:
        cv2.drawContours(img, [cnt], 0, color, 2)
    show_img(img)