save project

snake.py

+import pygame
+x,y=240,120
+from pygame import locals
+t=[(180,90),(180,120),(210,120),(x,y)]
+pygame.init()
+screen = pygame.display.set_mode((660, 480))
+f= pygame.time.Clock()
+s='right'
+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')
+snake_head=right
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+        if event.type == locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and s!='left':
+               s='right'
+               snake_head=right
+            if event.key==locals.K_LEFT and s!='right':
+               s='left'
+               snake_head=left
+            if event.key==locals.K_UP and s!='down':
+               s='up'
+               snake_head=up
+            if event.key==locals.K_DOWN and s!='up':
+               s='down'
+               snake_head=down
+    if s=='right':
+        x+=30
+    elif s=='left':
+        x-=30
+    elif s=='up':
+        y-=30
+    else:
+        y+=30
+    t.append((x,y))
+    t.pop(0)
+    screen.blit(background, (0, 0))
+    screen.blit(snake_head,t[-1])
+    screen.blit(right, (x, y))
+    for i in range(len(t)-1):
+        screen.blit(body,t[i])           
+    screen.blit(food, (360, 300))
+    pygame.display.update()
+    f.tick(3)
+