Python Truncate: Files, Numbers, Strings, and Lists
Use Python truncate() for files, os.truncate() for paths, math.trunc() for numbers, and slicing for strings and lists.
Python Blog: Tutorials, Fixes, and Projects
Browse practical Python tutorials, error fixes, library guides, data science examples, and project ideas from Python Pool.
Convert Text to PDF in Python: Layout, Fonts, and Encoding
Convert text to PDF in Python with layout, fonts, Unicode, page breaks, libraries, and repeatable output validation.
Python Uppercase: upper(), isupper(), and Unicode Strings
Convert strings with upper(), test case with isupper(), compare safely with casefold(), and handle Unicode case behavior.
Python super(): Cooperative Inheritance and Method Calls
Learn Python super() for cooperative inheritance, method resolution order, multiple inheritance, constructors, and reliable class design.
Rename a File in Python: pathlib, os.replace(), and shutil.move()
Rename Python files safely by deciding collision, replacement, filesystem, permissions, and batch rollback behavior before changing paths.
Python not in: Membership Tests, not, and is not
Use Python not in for absence, not for Boolean negation, and is not for identity checks across common containers.
How to Exit Python: sys.exit(), Status Codes, and Cleanup
Stop a Python program cleanly with sys.exit() or a returned main status, while keeping cleanup and failure codes predictable.
Remove Characters from a Python String
Remove unwanted characters from Python strings with replace(), translate(), generator expressions, and regular expressions.
Python bisect: Search and Insert in Sorted Lists
Use Python’s bisect module to find insertion points, keep lists sorted, handle duplicates, and choose between bisect and a sorted collection.
Python max(): Largest Values, key, and default
Use Python max() for numbers and records, define comparison with key, handle empty iterables with default, and avoid mixed-type errors.