JSON to CSV with Python

jsoncsv.py

import csv
import json

f = open('partscon.json', 'r') 
x = json.loads(f.read().decode('utf-8-sig')) 
f.close()

#x = json.loads(x)

f = csv.writer(open("partscon-final.csv", "wb+"))

# Write CSV Header, If you dont need that, remove this line
f.writerow(["timestamp", "invoice_no", "invoice_date", "entrant_name", "entrant_email", "supplier_name"])

for x in x:
    f.writerow([x["timestamp"], 
                x["invoice_no"], 
                x["invoice_date"], 
                x["entrant"]["name"],
                x["entrant"]["email"],
                x["supplier"]["name"]])