freeCodeCamp/curriculum/challenges/chinese/08-data-analysis-with-python/data-analysis-with-python-course/numpy-introduction-a.md

---
id: 5e9a093a74c4063ca6f7c152
challengeType: 11
videoId: P-JjV6GBCmk
dashedName: numpy-introduction-a
---

# --description--

More resources:

\- [Notebook](https://notebooks.ai/rmotr-curriculum/freecodecamp-intro-to-numpy-6c285b74)

# --question--

## --text--

Why is Numpy an important, but unpopular Python library?

## --answers--

Often you won't work directly with Numpy.

---

It's is extremely slow.

---

Working with Numpy is difficult.

## --video-solution--

1
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`
			`id: 5e9a093a74c4063ca6f7c152`
			`challengeType: 11`
			`videoId: P-JjV6GBCmk`
feat(curriculum): restore seed + solution to Chinese (#40683) * feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com> 2021-01-13 03:31:00 +01:00			`dashedName: numpy-introduction-a`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`

chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`# --description--`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
			`More resources:`

chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`\- [Notebook](https://notebooks.ai/rmotr-curriculum/freecodecamp-intro-to-numpy-6c285b74)`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`# --question--`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`## --text--`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`Why is Numpy an important, but unpopular Python library?`

			`## --answers--`

			`Often you won't work directly with Numpy.`

			`---`

			`It's is extremely slow.`

			`---`

			`Working with Numpy is difficult.`

			`## --video-solution--`

			`1`