save project

snake.py

@@ -54,6 +54,11 @@ while True:
         y += 30
     position.append((x, y))
     if x==apple_x and if y=apple_y
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+    else:
         position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))