format json for better text editor loading

prettify_json.py

import argparse
import json

parser = argparse.ArgumentParser()
parser.add_argument('--input', type=str, default='your.json')
args = parser.parse_args()

# Read dataset
with open(args.input) as f:
	dataset = json.load(f)

# Iterate and write question-answer pairs
count = 0
with open(args.input + '.json', 'w') as fo:
		fo.write(json.dumps(dataset, indent=4, sort_keys=True))
		fo.write('\n')