GMane Python wrote:
> string repetition can not repeat a value negative times:
> 'hello' * -3 is invalid.
Well, it's not invalid:
py> 'a' * -1
''
py> 'a' * -42
''
but you could definitely say that
S * N1 == S * N2
does not imply that
N1 == N2
STeVe
--
http://mail.python.org/mailman/l
The inablility to work with negative values.
Addition can do the following:
5 + (-4) read as 5 plus the value negative four.
Multiplication can do the following:
5 * (-1) read as 5 times the value negative one.
String concatination can not subtract the sub-string 'lo' from 'hello'.
'hello' - 'l
<[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Greetings.
>
> I'm reading "How to think like a computer scientist: Learning with
> Python" and there's a question regarding string operations. The
> question is, "Can you think of a property that addition and
> multiplication have tha
