Reference library

Files & data

Read and write files safely; parse JSON, CSV, and common text formats.

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Files & data easy

File Data Helper Functions in Python

Read and write text and JSON files, and list files in a directory, using pathlib-based helper functions.

file-io pathlib json
Python 
from pathlib import Path

def load_text_file(filepath):
    """Read a text file and return its contents as a string."""
    path = Path(filepath)
    if not path.exists():
        raise FileNotFoundError(f"File not found: {filepath}")
    return path.read_text(encoding="utf-8")

def save_text_file(filepath, content):
…
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