save project

snake.py

 import pygame
 from pygame import locals
+import random
 pygame.init()
 time=pygame.time.Clock()
 x=240
 y=120
+apple_x=360
+apple_y=300
 setheading='right'
 screen=pygame.display.set_mode((660,480))
 shenti=[(180,90),(180,120),(210,120),(x,y)]
@@ -14,6 +17,7 @@ right = pygame.image.load('right.png')
 left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
+setheading="right"
 snake_head=right
 
 
@@ -40,16 +44,27 @@ while True:
     elif setheading=="left":
         x-=30
     elif setheading=="up":
-        y+=30    
+        y-=30    
     else:
-        y-=30
+        y+=30
+position.append((x,y))
+position.pop(0)
+if x==apple_x and y==apple_y:
+    
+    apple_x=random.randint(0,660)
+    apple_y=random.randint(0,480)
+
+
+
+
+
     shenti.append((x,y)) 
     shenti.pop(0)
     screen.blit(bg,(0,0))
     screen.blit(snake_head,shenti[-1])
     for i in range(len(shenti)-1):
         screen.blit(body,shenti[i])
-    screen.blit(food,(360,300))
+    screen.blit(food,(apple_x,apple_y))
     pygame.display.update()
     time.tick(3)