How to change the number into the same expression's string and vice versa?

[Mark Lawrence]

On 19/01/2015 09:01, contro opinion wrote:
>
> In the python3 console:
>
>      >>> a=18
>      >>> b='18'
>      >>> str(a) == b
>      True
>      >>> int(b) == a
>      True
>
>
> Now how to change a1,a2,a3  into b1,b2,b3 and vice versa?
> a1=0xf4
> a2=0o36
> a3=011
>
> b1='0xf4'
> b2='0o36'
> b3='011'
>
>

Giving a completely different take on previous answers how about.

a1, b1 = b1, a1
a2, b2 = b2, a2
a3, b3 = b3, a3

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence