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			20 lines
		
	
	
		
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			20 lines
		
	
	
		
			362 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| icon: package
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| label: collections
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| ---
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| 
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| ### `collections.Counter(iterable)`
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| 
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| Return a `dict` containing the counts of each element in `iterable`.
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| 
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| ### `collections.deque`
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| 
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| A double-ended queue.
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| 
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| ### `collections.defaultdict`
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| 
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| A dictionary that returns a default value when a key is not found.
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| 
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| #### Source code
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| 
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| :::code source="../../python/collections.py" ::: |