Closure Functions in Python A closure is a function that remembers values from its enclosing lexical scope even when the program flow is no longer in that scope. Simple Example python def outer_function(x): # This is the enclosing scope def inner_function(y): # inner_function can access ‘x’ from outer_function’s scope return x + y return inner_function…

What is Python? Python is a popular, high-level programming language known for its simplicity and readability. Because its syntax closely resembles everyday English, it is incredibly easy for beginners to learn, read, and write. Despite being beginner-friendly, it is also one of the most powerful languages in the world, used heavily by professionals for artificial…

Python Modules: Creation and Usage Guide What are Modules in Python? Modules are simply Python files (with a .py extension) that contain Python code, including: They help you organize your code into logical units and promote code reusability. Creating a Module 1. Basic Module Creation Create a file named mymodule.py: python # mymodule.py def greet(name): return f”Hello, {name}!”…

1. \A and \Z – String Anchors \A – Matches ONLY at the beginning of the string \Z – Matches ONLY at the end of the string Example 1: \A – Start of string python import re text = “Hello World\nHello Python” pattern = r”\AHello” # Match “Hello” only at the VERY beginning matches =…

Decorators in Python A decorator is a function that modifies the behavior of another function without permanently modifying it. Decorators are a powerful tool that use closure functions. Basic Concept A decorator: Simple Example python def simple_decorator(func): def wrapper(): print(“Something is happening before the function is called.”) func() print(“Something is happening after the function is…