If you have a Python object, you can convert it into a JSON string by using the json.dumps() method.

json.dumps(x, indent=4, separators=(". ", " = ")) Try it Yourself » · Python JSON Tutorial JSON Parse JSON Convert into JSON Sort JSON ... If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail: sales@w3schools.com

Convert Python objects to JSON strings using json.dumps().

Disable escaping of non-ascii characters, see json.dumps() for more information. Added in version 3.9. ... Parse every input line as separate JSON object.

If you have a Python object, you can convert it into a JSON string by using the json.dumps() method.

January 8, 2020 - Example: This example shows how to write a Python dictionary into a JSON file using json.dump().

If you have a Python object, you can convert it into a JSON string by using the json.dumps() method.

May 29, 2025 - This example shows how to use .dump() to serialize more complex structures like a list of dictionaries into JSON format: ... Not directly. You’ll need to define a custom serialization function or use default=str to handle non-serializable objects. If the file used in .dump() is opened in write mode ('w'), Python will create the file automatically.

It writes the same format into json file. json.dump only works in Python 2.

In Python, the json module provides an API similar to convert in-memory Python objects to a serialized representation known as JavaScript Object Notation (JSON) and vice-a-versa. ... json.dump(obj, fp, skipkeys=False, ensure_ascii=True, ...

json.dumps(x, indent=4, sort_keys=True) Try it Yourself » · Python JSON Tutorial JSON Parse JSON Convert into JSON Format JSON · ❮ Python Glossary · ★ +1 · Sign in to track progress · REMOVE ADS · PLUS · SPACES · GET CERTIFIED · FOR TEACHERS · BOOTCAMPS · CONTACT US · × · If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail: sales@w3schools.com ·

Learn how to use Python json.dump to write JSON data to files. Detailed guide with syntax, examples, code, and explanations for beginners and professionals.

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import socket import json import sys HOST = 'demo-NLB-.....elb.us-west-2.amazonaws.com' PORT = 6514 try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) except socket.error as error: if error.errno == errno.ECONNREFUSED: print(os.strerror(error.errno)) else: raise try: sock.connect((HOST, PORT)) except socket.error as error: if error.errno == errno.ECONNREFUSED: print(os.strerror(error.errno)) else: raise msg = {'@message': 'May 11 10:40:48 scrooge disk-health-nurse[26783]: [ID 702911 user.error] m:SY-mon-full-500 c:H : partition health measures for /var did not suffice - still using 96% of partition space', '@tags': ['python', 'test']} sock.send(json.dump

Use it to serialize Python objects to strings/files and to parse JSON back to Python data types. ... If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail: sales@w3schools.com

August 20, 2025 - Learn how to work with JSON data in Python using the json module. Convert, read, write, and validate JSON files and handle JSON data for APIs and storage.

February 1, 2024 - In this example, we first import the json module. We then define a Python dictionary named ‘data’. The json.dumps() function is then called with ‘data’ as the argument, converting the dictionary into a JSON string.

July 25, 2025 - import json data = { "name": "Alice", "age": 30, "is_student": False } json_string = json.dumps(data) print(json_string) ... Notice how the Python False is converted to JSON’s false, and keys are wrapped in double quotes.

import json # Python dictionary data = { "name": "John", "age": 30, "city": "New York" } # Open the file for writing with open('output.json', 'w') as file: # Serialize dictionary into JSON and write to file json.dump(data, file)