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# Rna Transcription Given a DNA strand, return its RNA complement (per RNA transcription). Both DNA and RNA strands are a sequence of nucleotides. The four nucleotides found in DNA are adenine (**A**), cytosine (**C**), guanine (**G**) and thymine (**T**). The four nucleotides found in RNA are adenine (**A**), cytosine (**C**), guanine (**G**) and uracil (**U**). Given a DNA strand, its transcribed RNA strand is formed by replacing each nucleotide with its complement: * `G` -> `C` * `C` -> `G` * `T` -> `A` * `A` -> `U` ## Setup Follow the setup instructions for Crystal here: http://exercism.io/languages/crystal More help installing can be found here: http://crystal-lang.org/docs/installation/index.html ## Making the Test Suit Pass Execute the tests with: ```bash $ crystal spec ``` In each test suite all but the first test have been skipped. Once you get a test passing, you can unskip the next one by changing `pending` to `it`. ## Source Rosalind [http://rosalind.info/problems/rna](http://rosalind.info/problems/rna) ## Submitting Incomplete Solutions It's possible to submit an incomplete solution so you can see how others have completed the exercise.
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107 entries across 107 versions & 1 rubygems