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JSON Write in Python

Write a Python dictionary as JSON into a file.

BeginnerFile Handling ProgramsExample 7 of 20
json-write.py
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1# Program to write JSON to a file
2

3import json
4

5data = {
6    "name": "Alice",
7    "age": 25,
8    "skills": ["Python", "SQL"]
9}
10

11filename = input("Enter JSON filename to write: ")
12

13with open(filename, "w", encoding="utf-8") as f:
14    json.dump(data, f, indent=2)
15

16print("JSON data written to", filename)

Output

Enter JSON filename to write: config.json
JSON data written to config.json

What's going on

json.dump serializes Python objects to JSON text and writes them to a file with pretty indentation.

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