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

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.

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

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

January 13, 2026 - Example: This example shows how to write a Python dictionary into a JSON file using json.dump().

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

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.

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 ·

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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.

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

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, ...

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

February 1, 2024 - In this example, we first define a Python dictionary named ‘data’. We then use the json.dumps() function to convert this dictionary into a JSON string, which we store in the variable ‘json_data’. Finally, we print ‘json_data’, which outputs the JSON string.

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.

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.

# a Python object (dict): x = {"name": "John","age": 30, "city": "New York"} # convert into JSON: y = json.dumps(x) # the result is a JSON string: print(y) print() ·