How can I get the next string, in alphanumeric ordering, in Python?

Question

I need a simple program that given a string, returns to me the next one in the alphanumeric ordering (or just the alphabetic ordering).

f(\"aaa\")=\"aab\"
f(         


        

Answer 1

Are the answers at How would you translate this from Perl to Python? sufficient? Not 100% what you're asking, but close...