get data of FIFA 18 from easports

gistfile1.txt

import json, requests, time
#GERA JSON COM OS DADOS DO FIFA 18
def fetch(num):
    url = "https://www.easports.com/fifa/ultimate-team/api/fut/item?'page':"
    data = requests.get(url + str(num))
    return json.loads(data.content)

def create_file(data, num):
    if num == 1:
        with open('file.json', 'a') as myfile:
            myfile.write("[")
    for item in data["items"]:
        with open('file.json', 'a') as myfile:
            myfile.write(json.dumps(item)+",")

i=1

data = fetch(i)
create_file(data,i)
while i < data["totalPages"]:
    i = i+1
    create_file(fetch(i), i)
with open('file.json', 'r+b') as myfile:
    myfile.seek(-1, 2)
    myfile.write("]")