freeCodeCamp/curriculum/challenges/chinese-traditional/08-data-analysis-with-python/data-analysis-with-python-course/numpy-boolean-arrays.md

id	title	challengeType	videoId	dashedName
5e9a093a74c4063ca6f7c156	Numpy Boolean Arrays	11	N1ttsMmcVMM	numpy-boolean-arrays

--description--

Instead of using notebooks.ai like it shows in the video, you can use Google Colab instead.

More resources:

• Notebooks on GitHub
• How to open Notebooks from GitHub using Google Colab.

--question--

--text--

What will the following code print out?

a = np.arange(5)

print(a <= 3)

--answers--

[False, False, False, False, True]

---

[5]

---

[0, 1, 2, 3]

---

[True, True, True, True, False]

--video-solution--

4