pygame how to cretate a status window on a surface code example

Example 1: pygame how to get surface lenght

screen = pygame.display.set_mode((700, 500))
#get 2 variables for width and height
x, y = pygame.display.get_surface()
#get width
x = screen.get_width()
#get height
y = screen.get_height()

Example 2: pygame caption

pygame.display.set_caption("title")