[IronPython] A little bug about "in" operator

谭 颖华 fantasysoft at hotmail.com
Mon Oct 18 06:13:42 CEST 2004

Among three kinds of special data types in Python: Dictionary,List and 
Tuple, the operator "in" works well in Dict and List, but Tuple. Here is 
the sample code:

>>> t = (1,2,3)
>>> t
>>> 2 in t
True           it's OK
>>> 5 in t
False          it' OK, too

>>> 's' in t
True           It's wrong here.

And in CPython, the statement of  " 's' in t " produces the correct result: 

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