50 lines
		
	
	
		
			510 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			510 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| id: 5e9a0a8e09c5df3cc3600ed3
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| title: Numpy 的基础知识
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| challengeType: 11
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| videoId: f9QrZrKQMLI
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| bilibiliIds:
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|   aid: 763014202
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|   bvid: BV1K64y1a7bu
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|   cid: 409025169
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| dashedName: basics-of-numpy
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| ---
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| 
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| # --question--
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| 
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| ## --text--
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| 
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| 以下代码将打印出什么?
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| 
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| ```python
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| b = np.array([[1.0,2.0,3.0],[3.0,4.0,5.0]])
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| print(b)
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| ```
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| 
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| ## --answers--
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| 
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| ```python
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| [[1.0 2.0 3.0]
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| [3.0 4.0 5.0]]
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| ```
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| 
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| ---
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| 
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| ```python
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| [[1. 2. 3.]
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| [3. 4. 5.]]
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| ```
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| 
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| ---
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| 
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| ```python
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| [[1. 3.]
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| [2. 4.]
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| [3. 5.]
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| ```
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| 
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| ## --video-solution--
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| 
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| 2
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| 
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