#!/usr/bin/env python3
def  ARN_traduc(alphabet):
    import sys
    from Bio.Seq import Seq
    from Bio.Alphabet import IUPAC
    f_lire = open(sys.argv[1], mode ='r')
    une_ligne = f_lire.readline()
    messenger_rna = Seq(une_ligne, alphabet)
    print(messenger_rna)
    print(messenger_rna.translate())

from Bio.Alphabet import IUPAC
ARN_traduc(IUPAC.unambiguous_rna)

# -> AUGGCCAUUGUAAUGGGCCGCUGAAAGGGUGCCCGAUAG
# -> MAIVMGR*KGAR*