json.dumps()
SerializationSerializes a Python object to a JSON formatted string.
Signature
json.dumps(obj, indent=None)
Returns
strExample
import json
data = {'name': 'Alice', 'scores': [95, 87, 92]}
print(json.dumps(data, indent=2))About json.dumps()
json.dumps is a Python serialization function with the signature json.dumps(obj, indent=None). Serializes a Python object to a JSON formatted string. It returns a value of type str.
Python provides a rich set of built-in functions and standard library modules that cover common programming tasks. Understanding these functions helps you write more idiomatic, efficient Python code. The json.dumpsfunction is commonly used in data processing, web development, scripting, and automation tasks.
When working with json.dumps(), consider edge cases like empty inputs, None values, and type mismatches. Python's duck typing means many built-in functions work with any object that implements the required protocol (e.g., __len__ for len(), __iter__ for iteration). This flexibility is a key strength of Python's design philosophy.