open and save data in json fil code example

Example 1: how to save to file in python

with open('data.txt', 'w') as my_data_file:
   my_data_file.write(WhateverYourInputIs)
# After leaving the above block of code, the file is closed
# "w" overwrites the contents of the file

Example 2: write json dump to file python

import json
import numpy as np

class NpEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, np.integer):
            return int(obj)
        elif isinstance(obj, np.floating):
            return float(obj)
        elif isinstance(obj, np.ndarray):
            return obj.tolist()
        else:
            return super(NpEncoder, self).default(obj)

# Your codes .... 
json.dumps(data, cls=NpEncoder)