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nhosoya/2.rb

Created June 18, 2020 04:04
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2.rb
l = ("a".."z").to_a
h = ("A".."Z").to_a
target = "abcAbc"
target.chars.map do |c|
if l.index(c)
l[(l.index(c) + 13) % 26]
elsif h.index(c)
h[(h.index(c) + 13) % 26]
else
c
end
end.join
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