import pygame
import sys

pygame.init()

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

# Drawing a line on the display surface using Pygame's draw.line() function.
pygame.draw.line(display, (0,0,255), (10,10), (100,100), width=2)
# display: The surface to draw the line on.
# (0, 0, 255): The color of the line in RGB format, here it represents blue color.
# (10, 10): The starting point of the line, represented as (x, y) coordinates.
# (100, 100): The ending point of the line, represented as (x, y) coordinates.
# width=2: The width of the line. Here, it's set to 2 pixels, making the line thicker.

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

    pygame.display.update()