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miyaliu666 3ea2fe4f77 feat(i18n,curriculum): add Bilibili ids for Chinese (#43564)
Co-authored-by: Kristofer Koishigawa <scissorsneedfoodtoo@gmail.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
2021-10-01 09:54:12 +05:30

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---
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--
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