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freeCodeCamp/curriculum/challenges/chinese/08-data-analysis-with-python/data-analysis-with-python-course/numpy-boolean-arrays.md
Randell Dawson 94f0cf0ef8
chore(learn): Remove remaining isHidden keys from frontmatter (English and Chinese challenges) (#39809) 
* fix: remove isHidden key from tool template

* fix: removed isHidden key from English challenges

* fix: remove isHidden key from Chinese challenges
2020-10-08 14:18:47 +02:00

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id, challengeType, videoId
id challengeType videoId
5e9a093a74c4063ca6f7c156 11 N1ttsMmcVMM

Description

More resources: - Notebook

Tests

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]
      ```
  solution: 4