import pygame
import sys
pygame.init()

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


pygame.draw.line(surface, color, start_point, end_point, width=1)

pygame.draw.line(display (0, 0, 255),(10,10), (100, 100), width=2)

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