save project

snake.py

@@ -53,10 +53,15 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
     if x==apple_x and y==apple_y:
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        apple_x1=random.randibt(1,21)
+        apple_y2=random.randint(1,15)
+        nm1=apple_x1*30
+        nm2=appie_y2*30 
+        apple_position=(apple_x,apple_y)
+        if apple_position in position:
+        else:       
+            position.pop(0) 
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去