On Jan 8, 9:31 am, Alex van der Spek <am...@xs4all.nl> wrote:
> >>> eval('07')
> 7
> >>> eval('08')
>
> Traceback (most recent call last):
> File "<pyshell#3>", line 1, in <module>
> eval('08')
> File "<string>", line 1
> 08
> ^
> SyntaxError: invalid token
An integer literal with a leading zero is
interpreted as an octal (base 8) number,
so only digits in the range 0-7 (inclusive)
are permitted in such a literal.
Mark
>
> I can't think of anything that could cause this. Similarly, eval('09')
> fails, but for string 0x with x<8 it works. I am teaching myself Python
> in order to climb the ladder from
> Algol(1980s)-->Pascal(1990s)-->VisualBasic(2000)-->Python. I am a physicist,
> have programmed computers
>
> all my life but I won't understand the real tech jargon of present day
> computer science. Please keep it simple
>
> Thanks in advance,
> Alex van der Spek
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