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---
id: 5e9a093a74c4063ca6f7c156
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title: Conhecer os arrays booleanos do NumPy
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challengeType: 11
videoId: N1ttsMmcVMM
dashedName: numpy-boolean-arrays
---
# --description--
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*Ao invés de usar notebooks.ai como foi mostrado no vídeo, você pode usar o Google Colab como substituto.*
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Mais recursos:
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- [Notebooks no GitHub ](https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-numpy )
- [Como abrir notebooks do GitHub usando o Google Colab. ](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb )
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# --question--
## --text--
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O que será impresso pelo código a seguir?
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```py
a = np.arange(5)
print(a < = 3)
```
## --answers--
```python
[False, False, False, False, True]
```
---
```python
[5]
```
---
```python
[0, 1, 2, 3]
```
---
```python
[True, True, True, True, False]
```
## --video-solution--
4