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dip00dip/caesar_cypher.rb

Created October 19, 2017 18:12
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sample use of ruby array .zip method for implementing Caesar cypher
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caesar_cypher.rb
letters = Array('a'..'z')
shift = 3
translation_map = letters.zip(letters.rotate(shift)).to_h
"hello".chars.map { |ch| translation_map[ch] }.join
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