add example output

examples/conway.py

@@ -0,0 +1,76 @@
+import pygame
+import asyncio
+import random
+
+# define some colors
+BLACK = (0, 0, 0)
+WHITE = (255, 255, 255)
+GREEN = (0, 255, 0)
+RED = (255, 0, 0)
+BLUE = (0, 0, 255)
+YELLOW = (255, 255, 0)
+pygame.init()
+screen = pygame.display.set_mode((500,500))
+pygame.display.set_caption("Conway's Game of Life")
+
+# create a grid of squares
+grid = [[False for _ in range(500)] for _ in range(500)]
+
+# create a font for displaying numbers
+font = pygame.font.Font('freesansbold.ttf', 30)
+
+# create a function to display the grid
+def draw_grid():
+    for row in range(500):
+        for col in range(500):
+            if grid[row][col]:
+                pygame.draw.rect(screen, GREEN, (col*50, row*50, 50, 50))
+            else:
+                pygame.draw.rect(screen, BLACK, (col*50, row*50, 50, 50))
+    pygame.display.flip()
+
+# create a function to update the grid
+def update_grid(neighbors):
+    for row in range(500):
+        for col in range(500):
+            # get the number of neighbors
+            num_neighbors = sum([grid[r][c] for r, c in neighbors if grid[r][c]])
+            # update the grid
+            grid[row][col] = num_neighbors == 3 or (num_neighbors == 2 and grid[row][col])
+
+# create a function to display the neighbors
+def draw_neighbors(row, col):
+    neighbors = [(r, c) for r, c in [(row-1, col), (row-1, col-1), (row, col-1), (row+1, col-1), (row+1, col), (row+1, col+1), (row, col+1), (row-1, col+1)]]
+    for neighbor in neighbors:
+        if neighbor in grid:
+            update_grid(neighbors)
+        else:
+            grid.append(neighbor)
+            update_grid(neighbors)
+    draw_grid()
+
+# create a function to handle the events
+def event_handler(event):
+    if event.type == pygame.QUIT:
+        pygame.quit()
+        quit()
+    elif event.type == pygame.KEYDOWN:
+        if event.key == pygame.K_ESCAPE:
+            pygame.quit()
+            quit()
+        elif event.key == pygame.K_r:
+            draw_grid()
+        elif event.key == pygame.K_SPACE:
+            draw_neighbors(50, 50)
+
+# create the main function
+async def main():
+    while True:
+        # handle events
+        for event in pygame.event.get():
+            event_handler(event)
+        # update the grid
+        await asyncio.sleep(1)
+
+# run the game
+asyncio.run(main())