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danielpowell4/rot13.rb

Created September 11, 2016 07:01
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Replace letters in string with the letter 13 places after it in the alphabet
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rot13.rb
def rot13(string)
string.tr("A-Za-z", "N-ZA-Mn-za-m")
end
# More on tr here: http://apidock.com/ruby/String/tr
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