---
id: 5e7b9f060b6c005b0e76f05c
title: 循环和迭代
challengeType: 11
videoId: dLA-szNRnUY
bilibiliIds:
  aid: 674492981
  bvid: BV1hU4y1H7tF
  cid: 376531204
dashedName: loops-and-iterations
---

# --question--

## --text--

这些代码会打印出什么？

```python
n = 0
while True:
    if n == 3:
        break
    print(n)
    n = n + 1
```

## --answers--

<pre>0
1
2</pre>

---

<pre>0
1
2
3</pre>

---

<pre>1
2</pre>

---

<pre>1
2
3</pre>

## --video-solution--

1

