TranscriptTranslationIDs

import sys
import json

gene_id = "NCOR2"

response = requests.get("http://rest.ensembl.org/lookup/symbol/homo_sapiens/{}?content-type=application/json;expand=1".format(gene_id))

json_data = response.content.decode("utf-8")
data = json.loads(json_data)

numbers = []

#Enumerate provides item, and its position (idx) in the list
for idx, transcript in enumerate(data.get("Transcript", [])):
    #get a default empty dictionary, and then if no id, print "No ID"
    print transcript.get("Translation", {}).get("Parent") or "No ID",
    print transcript.get("Translation", {}).get("id") or "No ID"
    numbers.append(idx)