import sys
server = 'https://rest.ensembl.org'
ext = "/sequence/region/human/1:1179215..1197847:1?expand_3prime=0;expand_5prime=6"
r = requests.get(server+ext, headers={ "Content-Type" : "text/x-fasta"})
if not r.ok:
    r.raise_for_status()
    sys.exit()
with open("genes.fa", "a") as out:
    print(r.text.split()[0], file = out)
    print(r.text.split()[1][0:13], file = out)
print(r.text.split()[1])