covid19

import numpy as np
import pandas as pd
import seaborn as sns
import os
from Bio import SeqIO

for sequence in SeqIO.parse('MN908947.fna', "fasta"):
    a = sequence.seq  
print('Análisis del genoma Covid19')
print(len(a),'Nucleotidos')
np.set_printoptions(threshold=500)
a=np.array(a)
print('Imprimen las primeras 500 bases')
print(a[:500])