---
id: 5e9a0a8e09c5df3cc3600ed2
title: What is NumPy
challengeType: 11
videoId: 5Nwfs5Ej85Q
bilibiliIds:
  aid: 293086867
  bvid: BV1Tf4y1E7QZ
  cid: 409024791
dashedName: what-is-numpy
---

# --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.

## --video-solution--

4

