- import sys 
- from itertools import izip_longest 
-   
- nfields = 6 
- fields = (field.strip() for line in sys.stdin for field in line.split(',') if field.strip()) 
- for row in izip_longest(*[iter(fields)]*nfields): # grouper recipe* 
-     print(row) 
-   
				aW1wb3J0IHN5cwpmcm9tIGl0ZXJ0b29scyBpbXBvcnQgaXppcF9sb25nZXN0CgpuZmllbGRzID0gNgpmaWVsZHMgPSAoZmllbGQuc3RyaXAoKSBmb3IgbGluZSBpbiBzeXMuc3RkaW4gZm9yIGZpZWxkIGluIGxpbmUuc3BsaXQoJywnKSBpZiBmaWVsZC5zdHJpcCgpKQpmb3Igcm93IGluIGl6aXBfbG9uZ2VzdCgqW2l0ZXIoZmllbGRzKV0qbmZpZWxkcyk6ICMgZ3JvdXBlciByZWNpcGUqCiAgICBwcmludChyb3cpCg==
				
				
				
				
				
			 
			
				
			
			
				
QSwgQiwgQywgRCwgRSwgRgoxMjMsIDQ1NiwgdHJlZQosIHZlcnksIGJsYSwgaW5kaWdv
A, B, C, D, E, F
123, 456, tree
, very, bla, indigo
 
					
			
			
				
	
		
		
	
	
		('A', 'B', 'C', 'D', 'E', 'F')
('123', '456', 'tree', 'very', 'bla', 'indigo')