it seems not to solve lowercase letter problem . do you want to solve "n=0" bug ?

ready to close with the doubt

@drabbit75 can you give me an input where you find problems in lower case letters

@drabbit75 can you give me an input where you find problems in lower case letters

the codes seems not to solve "lower case problem", what bugs do you want to fix

actually what was happening that you have to write the values of "abcdef" in capital letters for its converstion in any base otheswise it was not working so i fixed it

in the codes ：
{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E',
'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
'W', 'X', 'Y', 'Z'};" // digitsForBase contains all the valid digits for the base given".
this limits the input and I think it is not a bug and not neccesary to fix personally.

So you can say that i expanded the input limit