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kp666/ceaser_cipher.rb

Created September 9, 2017 08:35
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ceaser_cipher.rb
def all_alphabets
[[*'A'..'Z'], [*'a'..'z']]
end
def rotated_by_key(key)
all_alphabets.flat_map{|x|x.rotate(key)}
end
def ceaser(string,key)
string.tr(all_alphabets.join,rotated_by_key(key).join)
end
ceaser("This is my string",13)
ceaser("SDS Coding Challenge #3",20 )
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