---
id: 5e7b9f160b6c005b0e76f086
title: '对象：一个示例类'
challengeType: 11
videoId: FiABKEuaSJ8
bilibiliIds:
  aid: 589451777
  bvid: BV1rq4y1X7TG
  cid: 377523194
dashedName: objects-a-sample-class
---

# --question--

## --text--

以下程序将打印什么？

```python
class PartyAnimal:
    x = 0
    def party(self):
        self.x = self.x + 2
        print(self.x)

an = PartyAnimal()
an.party()
an.party()
```

## --answers--

<pre>
So far 1
So far 2
</pre>

---

<pre>
0
0
</pre>

---

<pre>
2
2
</pre>

---

<pre>
2
4
</pre>

## --video-solution--

4

