Mapping operator tokens to special methods

[John Machin]

On 24 Feb 2005 10:57:58 -0800, jamesthiele.usenet at gmail.com wrote:

>I was starting to write a dictionary to map operator strings to their
>equivalent special methods such as:
>{
>  '+' : 'add',
>  '&' : 'and_'
>}
>
>The idea is to build a simple interactive calculator.
>
>and was wondering if there is already something like this builtin?

>>> eval('1+2')
3