58 lines
		
	
	
		
			850 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			58 lines
		
	
	
		
			850 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| 
								 | 
							
								---
							 | 
						||
| 
								 | 
							
								id: 5e9a093a74c4063ca6f7c156
							 | 
						||
| 
								 | 
							
								title: Numpy Boolean Arrays
							 | 
						||
| 
								 | 
							
								challengeType: 11
							 | 
						||
| 
								 | 
							
								videoId: N1ttsMmcVMM
							 | 
						||
| 
								 | 
							
								dashedName: 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](https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-numpy)
							 | 
						||
| 
								 | 
							
								-   [How to open Notebooks from GitHub using Google Colab.](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								# --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
							 | 
						||
| 
								 | 
							
								
							 |