from string import maketrans


def to_rna(dna):
    trans_table = maketrans('GCTA', 'CGAU')
    return dna.upper().translate(trans_table)

cc96a279b3cddaa2a0450e3e182a85510e3b318e
<mask token>

<mask token>


def to_rna(dna):
    trans_table = maketrans('GCTA', 'CGAU')
    return dna.upper().translate(trans_table)

from string import maketrans


def to_rna(dna):
    trans_table = maketrans('GCTA', 'CGAU')
    return dna.upper().translate(trans_table)
