import pygame, sys

pygame.init()

display = pygame.display.set_mode((300,300))
display.fill((255,255,255))

# Drawing a polygon on the display surface using Pygame's draw.polygon() function.
pygame.draw.polygon(display, (0,0,255), [(120,120), (40,160), (40,220), (200,220), (200,160)], width=0)
# display: The surface to draw the polygon on.
# (0, 0, 255): The color of the polygon in RGB format, here it represents blue color.
# [(120, 120), (40, 160), (40, 220), (200, 220), (200, 160)]: The list of vertices of the polygon.
#                                                            Each vertex is represented as a tuple (x, y) coordinate.
#                                                            The lines will be drawn connecting consecutive vertices in the list.
# width=0: The width of the outline of the polygon. 
#          Setting it to 0 means that the polygon will be filled with the specified color.

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

    pygame.display.update()