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LOWER_Z = 122
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def caesar_cipher(text, shift)
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ciphered_text = ''
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shift = shift % LOWER_Z
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text.each_char do |letter|
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ciphered_text += letter.ord + shift > LOWER_Z ? (letter.ord + shift - LOWER_Z).chr : (letter.ord + shift).chr
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end
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ciphered_text
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end
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