Reading and Writing Files in Python
Read whole files or line-by-line, and write/append text reliably.
Tag: Python
Packages in Python
Organize modules into packages (folders) with __init__.py for larger projects.
pip and Package Management
Install and manage third-party libraries with pip and requirements.txt.
map(), filter() and reduce() in Python
Transform and filter iterables functionally with map, filter, and reduce.
Scope of Variables in Python
Understand local, enclosing, global, and built-in scopes (LEGB rule).
*args and **kwargs in Python
Accept flexible positional and keyword arguments with *args and **kwargs.
Lambda Functions in Python
Write small anonymous functions with lambda for short callbacks.
Dictionaries in Python
Map keys to values with dictionaries for structured records and lookups.