* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
54 lines
551 B
Markdown
54 lines
551 B
Markdown
---
|
|
id: 5e9a093a74c4063ca6f7c156
|
|
challengeType: 11
|
|
videoId: N1ttsMmcVMM
|
|
dashedName: numpy-boolean-arrays
|
|
---
|
|
|
|
# --description--
|
|
|
|
More resources:
|
|
|
|
\- [Notebook](https://notebooks.ai/rmotr-curriculum/freecodecamp-intro-to-numpy-6c285b74)
|
|
|
|
# --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
|
|
|