"do not worry" means they will not be given in any test cases. the only characters supplied are A-Z and a-z, as well as spaces. spaces remain un-transformed.
Do not worry about symbols besides the upper/lowercase alphabet.
What exactly does "Do not worry mean"? Because with this return c==' '?' ':((c-firstCase(c))+13)%26+ firstCase(c); in the sample tests I do have to worry that other characters are irrevesibly transformed by the encoder and should be handled separately by the solution.
"do not worry" means they will not be given in any test cases. the only characters supplied are A-Z and a-z, as well as spaces. spaces remain un-transformed.
What exactly does "Do not worry mean"? Because with this
return c==' '?' ':((c-firstCase(c))+13)%26+ firstCase(c);in the sample tests I do have to worry that other characters are irrevesibly transformed by the encoder and should be handled separately by the solution.Any reason why is not in one line?
LOL...
damn that was fast
https://www.w3schools.com/python/ref_func_map.asp
Questionable... It would be interesting to see performance tests, especially for relatively small strings.
Reference solution updated.
https://docs.python.org/3/library/stdtypes.html?highlight=ends#str.endswith
I didn't understand this though. Can someone clarify it please? Or direct to the documentation.
not fully specified and insufficiently enforced.
my solution to just replace all duplicates in a loop passed after a few tries.
Yeah, the reference solution is removing duplicate characters alphabetically, rather than simultaneously.
I think the reference solution does not fit the given rules.
The rules seem to be not fully specified.
All groups are removed at the same time, as in Example 3: m[zz][mmm]z[dddd]m[zz][mmm]z -> mzmz
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