freeCodeCamp/curriculum/challenges/chinese/08-data-analysis-with-python/numpy/reorganizing-arrays.md

---
id: 5e9a0a8e09c5df3cc3600ed9
challengeType: 11
videoId: VNWAQbEM-C8
---

## Description

<section id='description'>
</section>

## Tests

<section id='tests'>

````yml
question:
  text: |
    What code would produce the following array?

    ```py
    [[1. 1.]
    [1. 1.]
    [1. 1.]
    [1. 1.]]
    ```
  answers:
    - |
      ```py
      a = np.ones((2, 4))
      b = a.reshape((4, 2))
      print(b)
      ```
    - |
      ```py
      a = np.ones((2, 4))
      b = a.reshape((2, 4))
      print(b)
      ```
    - |
      ```py
      a = np.ones((2, 4))
      b = a.reshape((8, 1))
      print(b)
      ```
  solution: 1
````

</section>