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Python Files, Paths and JSON Cheat Sheet

A 2-page reference for reading and writing files: 14 short entries with copy-ready code.

ForDevelopers

python-files-paths-and-json-cheat-sheet.pdfShowing 17 of 65 lines
// Read a text file
with open("data.txt", encoding="utf-8") as f:
    text = f.read()

// Read line by line
with open("data.txt", encoding="utf-8") as f:
    for line in f:
        print(line.rstrip())

// Write a file
with open("out.txt", "w", encoding="utf-8") as f:
    f.write("hello\n")

// pathlib basics
from pathlib import Path
p = Path("data") / "file.txt"
p.exists(), p.suffix, p.stem, p.parent

What's inside

Format
PDF, Markdown
Contents
14 sections · 2 pages
Version
1.0 · Updated 3 Oct 2026
Licence
Commercial What this means
Checked
Checked before it ships
  • python-files-paths-and-json-cheat-sheet.pdfPDF · 19 KB
  • python-files-paths-and-json-cheat-sheet.mdMarkdown · 2 KB
  • LICENSE.txtadded to every download

About this item

A compact, printable reference for reading and writing files. Each of the 14 entries has a one-line explanation and a small example you can paste into your editor. The PDF uses a two-column A4 layout designed to sit next to your keyboard, and the same content ships as Markdown so you can search it or drop it into your notes. Every Python example targets Python 3.12.

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