2020-04-21 16:42:19 +00:00
---
id: 5e9a093a74c4063ca6f7c156
title: Numpy Boolean Arrays
challengeType: 11
videoId: N1ttsMmcVMM
2021-01-13 02:31:00 +00:00
dashedName: numpy-boolean-arrays
2020-04-21 16:42:19 +00:00
---
2020-11-27 18:02:05 +00:00
# --description--
2020-08-04 19:56:41 +00:00
2020-11-27 18:02:05 +00:00
*Instead of using notebooks.ai like it shows in the video, you can use Google Colab instead.*
2020-09-03 16:48:42 +00:00
2020-07-17 09:12:45 +00:00
More resources:
2020-09-03 16:48:42 +00:00
2020-11-27 18:02:05 +00:00
- [Notebooks on GitHub ](https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-numpy )
- [How to open Notebooks from GitHub using Google Colab. ](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb )
# --question--
## --text--
What will the following code print out?
```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