diff --git a/apple.png b/apple.png
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diff --git a/bg.png b/bg.png
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diff --git a/body.png b/body.png
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diff --git a/down.png b/down.png
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diff --git a/left.png b/left.png
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diff --git a/neuropol.ttf b/neuropol.ttf
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diff --git a/right.png b/right.png
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diff --git a/snake.py b/snake.py
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+++ b/snake.py
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+import pygame
+from pygame import locals
+import random
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+FPSCLOCK=pygame.time.Clock()
+my_font=pygame.font.Font('neuropol.ttf',18)
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+x,y=240,120
+lis=[(180,90),(180,120),(210,120),(x,y)]
+apple_x=360
+apple_y=300
+setheading="right"
+snake=right
+score=0
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading!="left":
+                setheading="right"
+                snake=right
+            if event.key==locals.K_LEFT and setheading!="right":
+                setheading="left"
+                snake=left
+            if event.key==locals.K_UP and setheading!="down":
+                setheading="up"
+                snake=up
+            if event.key==locals.K_DOWN and setheading!="up":
+                setheading="down"
+                snake=down
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
+    lis.append((x,y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randrange(0,660,30)
+        apple_y=random.randrange(0,480,30)
+        score+=10
+    else:
+        lis.pop(0)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(snake, (x, y))
+    # 将贪吃蛇的身体画上去
+    for i in range(len(lis)-1):
+        screen.blit(body,lis[i])
+    # 将果实画上去
+    screen.blit(food, (apple_x, apple_y))
+    info="Score:"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file
diff --git a/up.png b/up.png
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