50 lines
		
	
	
		
			442 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			442 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| id: 5e7b9f070b6c005b0e76f061
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| title: 中间字符串
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| challengeType: 11
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| videoId: KgT_fYLXnyk
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| dashedName: intermediate-strings
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| ---
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| 
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| # --description--
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| 
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| 更多资料:
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| 
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| [练习](https://www.youtube.com/watch?v=1bSqHot-KwE)
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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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| 下面的代码中 i 的值是什么?
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| 
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| ```python
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| word = "bananana"
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| i = word.find("na")
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| ```
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| 
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| ## --answers--
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| 
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| nanana
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| 
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| ---
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| 
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| 2
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| 
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| ---
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| 
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| 3
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| 
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| ---
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| 
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| True(真)
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| 
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| ---
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| 
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| na
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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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