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			24 lines
		
	
	
		
			445 B
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			445 B
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
| #!/bin/env python
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| 
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| # this works...
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| l = [[]]
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| l[0] += [1]
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| 
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| # let's change the structure a bit...
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| l = ([],)
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| 
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| # now, this also works...
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| e = l[0]
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| e += [1]
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| 
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| 
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| # XXX and this fails...
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| l[0] += [1]
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| 
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| 
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| # and here is how...
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| ## Traceback (most recent call last):
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| ##   File "F:\work\ImageGrid\cur\ImageGrid\src\test\python-bug.py", line 17, in <module>
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| ##     l[0][0] += [1]
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| ## TypeError: 'tuple' object does not support item assignment
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