Reverse the alphabet so that abc => zyx
and ABC => ZYX
Examples:
("code") => "xlwv"
("Golf") => "Tlou"
("1Avva8TT") => "1Zee8GG"
Winner: Joaquín Ferrero (joaquinferrero) - Perl - 40
Runner Up: Abhishek Chanda (achanda) - Python - 51
Return the first N items of the Fibonacci sequence.
The input will be a whole number greater than or equal to zero.
The output should be iterable.