freeCodeCamp/curriculum/challenges/english/08-data-analysis-with-python/numpy/what-is-numpy.md

---
id: 5e9a0a8e09c5df3cc3600ed2
title: What is NumPy
challengeType: 11
videoId: 5Nwfs5Ej85Q
---

## Description

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

## Tests

<section id='tests'>

```yml
question:
  text: |
    Why are Numpy arrays faster than regular Python lists?

  answers:
    - |
      Numpy does not perform type checking while iterating through objects.
    - |
      Numpy uses fixed types.
    - |
      Numpy uses contiguous memory.
    - |
      All of the above.
  solution: 4
```

</section>