---
id: 5e9a0a8e09c5df3cc3600ed2
title: What is NumPy
challengeType: 11
isHidden: true
videoId: 5Nwfs5Ej85Q
---
## Description
## 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
```