<reponame>guillaume-martin/exercism<filename>python/rna-transcription/rna_transcription.py
def to_rna(dna_strand):
    pairs = {'G':'C','C':'G','T':'A','A':'U'}
    return ''.join(pairs[n] for n in dna_strand)
def to_rna(dna_strand):
    pairs = {'G':'C','C':'G','T':'A','A':'U'}
    return ''.join(pairs[n] for n in dna_strand)