Finished grid drawing in gui.py, interactive buttons/grid to be implemented next.

gui.py

@@ -17,15 +17,17 @@ grid = [ [ 3, 2, 1, 0, 5, 0, 9, 4, 7 ],
 BLACK = (0,0,0)
 WHITE = (255,255,255)
 
-#Initialize Pygame:
-#os.environ["SDL_VIDEODRIVER"] = "dummy"
-os.environ['SDL_VIDEODRIVER'] = 'windib'
+#Initialize Pygame and variables::
+pygame.init()
 pygame.display.init()
-screen_width = 500
-screen_height = 500
+screen_width = 490
+screen_height = 490
+buttonArea = 100 #height of area where buttons will be below the grid
+box_size = 50
 margin = 5
-screen = pygame.display.set_mode([screen_width,screen_height])
-pygame.display.set_caption("Main")
+font = pygame.font.SysFont("Comic Sans MS",30)
+screen = pygame.display.set_mode([screen_width,screen_height+buttonArea])
+pygame.display.set_caption("Sudoku")
 clock = pygame.time.Clock()
 
 #Main Loop:
@@ -34,5 +36,27 @@ while not done:
         for event in pygame.event.get():
                 if event.type == pygame.QUIT:
                         done = True
+        
+        screen.fill(BLACK)
+
+        #draw grid:
+        for i in range(0,screen_width,box_size+margin):
+                for j in range(0,screen_height,box_size+margin):
+                        pygame.draw.rect(screen, WHITE, (i,j,box_size,box_size), 0)
+        pygame.draw.rect(screen, WHITE, (0,495,490,100), 0)
+
+        #fill in grid:
+        for i in range(0,9):
+                for j in range(0,9):
+                        number_surface = font.render(str(grid[i][j]), False, (0,0,0))
+                        screen.blit(number_surface, (7 + i*(box_size + margin), 7 + j*(box_size + margin)))
+
+        #update display
+        pygame.display.update()
+
+        #make screen update 60 fps
+        clock.tick(60)
+
+pygame.quit()
 
         
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