save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -20,7 +21,7 @@ down = pygame.image.load('down.png')        # 头 朝下
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x=360
-apple—y=300
+apple_y=300
 setheading = "right"
 snake_head = right
 
@@ -54,9 +55,13 @@ while True:
         y += 30
     position.append((x, y))
     if x==apple_x and y==apple_y:
-        apple_x=random(0,660)
-        apple_y=random(0,480)
-    position.pop(0)
+        num1=random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x=30*num1-30
+        apple_y=30*num2-30
+    
+    else:
+        position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -66,7 +71,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (appie_x,apple=y))
+    screen.blit(food, (apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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