62 lines
1.1 KiB
Markdown
62 lines
1.1 KiB
Markdown
---
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id: 5e9a093a74c4063ca6f7c156
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title: Numpy 布爾值的數組
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challengeType: 11
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videoId: N1ttsMmcVMM
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bilibiliIds:
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aid: 208091324
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bvid: BV1Qh411p7V8
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cid: 409012711
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dashedName: numpy-boolean-arrays
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---
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# --description--
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*在視頻中我們使用的編輯器工具是在 notebook.ai 這個平臺，你也可以選擇用其他的平臺，比如說 Google Colab 也是一個不錯的選擇。*
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以下有更多的資料：
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- <a href="https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-numpy" target="_blank" rel="noopener noreferrer nofollow">在 GitHub 平臺的 Notebooks</a>
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- <a href="https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb" target="_blank" rel="noopener noreferrer nofollow">如何使用 Google Colab 來打開 GitHub 上的 Notebooks</a>
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# --question--
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## --text--
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以下代碼會打印出什麼？
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```py
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a = np.arange(5)
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print(a <= 3)
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```
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## --answers--
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```python
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[False, False, False, False, True]
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```
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---
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```python
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[5]
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```
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---
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```python
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[0, 1, 2, 3]
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```
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---
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```python
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[True, True, True, True, False]
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```
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## --video-solution--
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4
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