save project

snake.py

@@ -52,6 +52,13 @@ while True:
     else:
         y += 30
     position.append((x, y))
+
+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x == num1 * 30 - 30
+        apple_y == num2 * 30 - 30
+
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))