Python
Quick Fixes for Python EOL While Scanning String Literal
This SyntaxError means a quote was opened and never closed. Here are the five causes — including the backslash trap on Windows…
Python
Plain-English Python guides, from installing it to writing small programs that do real work. Short examples you can copy, run and change.
72 guides
Python
The Python Standard Library
The modules that come with Python and are worth knowing: pathlib, json, csv, datetime, collections, itertools, re, argparse and more, each with…
Python
ModuleNotFoundError: No Module Named ‘_lzma’
This means Python was built without the LZMA compression library. Here is how to fix it on Linux, macOS and with pyenv,…
Python
Cleaning Python Strings: Removing Punctuation
Four ways to strip punctuation from a string in Python, which is fastest, and how to handle apostrophes, hyphens and non-English text…
Python
What’s New in Python 3.15: Lazy Imports, a Faster JIT and Better Error Messages
Python 3.15 arrives in October 2026 with lazy imports, a sampling profiler, a quicker JIT and UTF-8 by default. What changes for…
Python
Python Function Import: Step-by-Step Guide
How to import a function from another file in Python, why ModuleNotFoundError keeps happening, and the difference between absolute and relative imports.
Python
Python File Size: A Comprehensive Guide
Get a file size in Python with pathlib or os.path, format bytes as KB and MB properly, and total up a whole…
Python
Python File Moving Using shutil
How shutil.move works, when it differs from os.rename, and how to move files safely across drives without overwriting anything by accident.
Python
Object of Type int64 Is Not JSON Serializable
NumPy and pandas numbers are not Python numbers, and json.dumps refuses them. Here are four fixes, from a one-line conversion to a…
Python
Python Not Working in the VS Code Terminal
Python runs from a normal terminal but not inside VS Code, or the wrong version runs, or packages are missing? The editor…
Python
Fixing No Module Named ‘pandas’ Error in Python
Nearly always the wrong interpreter, not a missing package. Here is the two-command diagnosis and the fix for venv, conda, VS Code,…
Python
Understanding the Python __new__ Method Explained
What __new__ does, how it differs from __init__, and the three cases where you genuinely need it: singletons, immutable subclasses and instance…
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HTML, CSS and the pieces that turn code into a page people can visit.
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