auto save

a.py

+import pygame
+from pygame import locals
+
+pygame.init()
+
+sc = pygame.display.set_mode((660,480))
+
+bg = pygame.image.load('bg.png')
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+    sc.blit(bg,(0,0))
+    pygame.display.update()
\ No newline at end of file

snake.py

 import pygame
 from pygame import locals
 pygame.init()
+scr = pygame.display.set_mode((660,480))
+bg = pygame.image.load('bg.png')
+ri = pygame.image.load('right.png')
+fd = pygame.image.load('apple.png')
+bd = pygame.image.load('body.png')
+
 
-scr = pygame.display.set_mode((200,500))
 while True:
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
+        if event.type == locals.MOUSEBUTTONDOWN:
+
+            exit()
+        if event.type == locals.MOUSEBUTTONUP:
 
-            exit()
\ No newline at end of file
+            scr.blit(fd,(240,240))
+    scr.blit(bg,(0,0))#画背景
+    scr.blit(ri,(210,210))
+    scr.blit(fd,(240,240))
+    scr.blit(bd,(180,210))
+    scr.blit(bd,(150,210))
+    scr.blit(bd,(150,180))
+    scr.blit(bd,(150,240))
+    pygame.display.update()#刷新画面
\ No newline at end of file