2021-05-05 17:13:49 +00:00
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---
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id: 5e9a093a74c4063ca6f7c155
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2021-07-16 05:33:16 +00:00
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title: Numpy 的運算
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2021-05-05 17:13:49 +00:00
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challengeType: 11
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videoId: eqSVcJbaPdk
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dashedName: numpy-operations
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---
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# --description--
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2021-07-16 05:33:16 +00:00
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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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2021-05-05 17:13:49 +00:00
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2021-07-16 05:33:16 +00:00
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更多資源：
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2021-05-05 17:13:49 +00:00
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2021-07-16 05:33:16 +00:00
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- [在 GitHub 平臺的 Notebooks](https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-numpy)
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- [如何使用 Google Colab 來打開 GitHub 上的 Notebooks](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb)
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2021-05-05 17:13:49 +00:00
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# --question--
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## --text--
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2021-07-16 05:33:16 +00:00
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運行以下代碼後， `a` 的值是多少？
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2021-05-05 17:13:49 +00:00
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```py
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a = np.arange(5)
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a + 20
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```
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## --answers--
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```python
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[20, 21, 22, 24, 24]
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```
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---
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```python
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[0, 1, 2, 3, 4]
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```
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---
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```python
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[25, 26, 27, 28, 29]
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```
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## --video-solution--
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2
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