#!/usr/bin/python3.6

import json

# import old json
with open("1.json") as foo:
    data = json.load(foo)

# copy contents to new list of dicts
new_list = []
for thing in data:
    new_list.append(thing)

# export new list of dicts to json
with open("2.json", 'w') as bar:
    json.dump(new_list, bar)