Reference library

Files & data

Read files safely and parse common data formats without extra dependencies.

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Files & data medium

Read a text file with pathlib

Open and read UTF-8 text using pathlib.Path — modern and portable.

files pathlib io

Python

from pathlib import Path

path = Path("notes.txt")
if path.is_file():
    text = path.read_text(encoding="utf-8")
    print(text[:200])
else:
    print("File not found — create notes.txt to try this sample.")

2 0 Open

Files & data medium

Parse JSON safely

Load JSON from a string and handle decode errors without crashing.

json parsing stdlib

Python

import json

payload = '{"name": "Ada", "skills": ["Python", "math"]}'

try:
    data = json.loads(payload)
    print(data["name"])
    print(", ".join(data["skills"]))
except json.JSONDecodeError as exc:
    print(f"Invalid JSON: {exc}")

3 0 Open

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Strings & text 3 Lists & loops 3 Functions & basics 2 Files & data 2 Errors & debugging 2