[Tutor] Invalid Token Problem

[Dave Angel]

On 07/19/2012 08:36 PM, Osemeka Osuagwu wrote:
> <snip>...
> 99 ninety nine
> 100 onehundred
> 101 one hundred and one
> 102 one hundred and two
> 103 one hundred and three
> 104 one hundred and four
> 105 one hundred and five
> 106 one hundred and six
> 107 one hundred and seven
> 108
>
> Traceback (most recent call last):
>   File "C:/Windows.old/Users/Abasiemeka/Abasiemeka/GOOGLE
> University/Python/Python Code/MyCode/Project Euler code/Project Euler
> answer 17.py", line 33, in <module>
>     print i, num2word(i)
>   File "C:/Windows.old/Users/Abasiemeka/Abasiemeka/GOOGLE
> University/Python/Python Code/MyCode/Project Euler code/Project Euler
> answer 17.py", line 18, in num2word
>     wordlist = [units[eval(str(num)[-3])-1],'hundred', 'and',
> num2word(eval(str(num)[-2:]))]
>   File "<string>", line 1
>     08
>      ^
> SyntaxError: invalid token
>

08 isn't a valid literal.  Remove the leading zero.  That says that the
following digits are to be interpreted as octal, and 8 isn't a valid
octal digit.

Much better would be to eliminate the unnecessary use of eval().  It's
dangerous, and sometimes doesn't do what you expect.




-- 

DaveA