.tr in ruby
# if wana transform a to n, b to m, c to o
messages.map { |c| c.tr("a-z", "n-za-m") }.tr in ruby
# if wana transform a to n, b to m, c to o
messages.map { |c| c.tr("a-z", "n-za-m") }Copyright © 2021 Codeinu
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