Read a JSON file.
Load a JSON document from disk into Python objects using an explicitly selected text encoding.
import json
with open("settings.json", "r", encoding="utf-8") as file:
settings = json.load(file)
print(settings["theme"])Expected output EXAMPLE
dark
Details
Uses only the Python standard library; no pip packages are required. See the verification record below for the exact Python version tested.
This example expects settings.json to contain {"theme": "dark"}. Missing files and malformed JSON raise exceptions.
Tested on Ubuntu 24.04.5 LTS · · Python 3.12.3 · python3 3.12.3-0ubuntu2.1
Test inputs, results and environment
The exact published code ran in a dedicated Linux test container with prepared inputs. Unprivileged snippet process, external networking disabled, read-only root filesystem, and a fresh temporary working directory. Fixtures and output records are isolated from the application database. Testing covers this example and its stated checks, not every input, operating system, or runtime version. The Linux container shares its host's kernel; this is not a native Windows test.
- Architecture / host kernel
- x86_64 / 6.18.54.1-microsoft-standard-WSL2
- Snippet identity / locale
- uid=65534, gid=65534 (unprivileged) / C.UTF-8
- Interpreter invocation
python3 -c <published code>- Container image ID
sha256:32dc2d998158b6554c99b73b533f423696a0f3e31e8cbea9db10b5eee9a2fadd- Code SHA-256
73c0ca67e5f42f331bb8c57b8a2cc35f1061e9e7904bb83b9cf1f9cc03badfcc- Dependencies
- python3 3.12.3-0ubuntu2.1
Test input setup
These are the prepared inputs used by the test harness. See Details above for the prerequisites and how to run this example.
printf '{"theme":"dark"}' > settings.json
Observed standard output
dark
Exit code: 0. Standard error: empty. Validation: Exact stdout comparison. System-dependent values above are one recorded run.