Python-Fundamentals

Hello World in Python

Every programming journey starts with Hello World. Python makes this incredibly simple—it’s just one line.

The Code

Create a file named hello.py:

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print("Hello, World!") …

Variables and Types in Python

Python’s approach to variables is one of the things that makes it so approachable. There are no type declarations, no keywords like int or String — you simply assign a value to a name and Python …

Operators in Python

Operators are the verbs of a programming language—they let you combine values into expressions that compute results, compare quantities, and make decisions. Python provides a rich, readable set of …

Control Flow in Python

Control flow is how a program decides what to do and how many times to do it. Instead of running every line top to bottom, control flow lets your code branch on conditions and repeat work. In Python, …

Functions in Python

Functions are how Python programs are organized into reusable, named blocks of logic. Instead of repeating the same code, you wrap it in a function, give it a name, and call it whenever you need it. …