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

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---
id: 5e9a0a8e09c5df3cc3600ed2
title: What is NumPy
challengeType: 11
videoId: 5Nwfs5Ej85Q
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.
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Numpy uses contiguous memory.
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All of the above.
## --video-solution--
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