pearu at cens.ioc.ee
Sat Feb 17 10:21:05 CET 2001
On Sat, 17 Feb 2001, Rainer Deyke wrote:
> "Walter Moreira" <walterm at cmat.edu.uy> wrote in message
> news:mailman.982374799.24358.python-list at python.org...
> > Why the following test raise an error?
> > >>> '' in 'yY'
> > Traceback (most recent call last):
> > File "<stdin>", line 1, in ?
> > TypeError: 'in <string>' requires character as left operand
> > I would expect it to give 0, false.
> I would expect it to give 1, since "" is a substring of "yY". Given this
Me too, and because of the analogy:
`an empty set is a subset of every set'
`an empty string is a substring of every string'
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