Python Tutorial by Rahul

Why Learn Python?

• Easy to Learn & Use: Python’s simple syntax makes it beginner-friendly.
• Versatile & Powerful: Used in web development, AI, data science, automation, and more.
• High Demand in Jobs: Python is widely used in the tech industry with great career opportunities.
• Huge Community Support: A vast collection of open-source libraries and active developer community.
• Boosts Productivity: Automate repetitive tasks efficiently.

Real-World Use Cases

• Netflix: Uses Python for personalized recommendations and content streaming optimization.
• Google: Uses Python in search algorithms, AI, and backend development.
• Tesla: Python powers AI models for self-driving technology.
• NASA: Uses Python for scientific calculations and data analysis.
• Instagram: Built using Python’s Django framework for scalability.
• Spotify: Uses Python for music recommendation algorithms.

Introduction to Python

Python is a high-level, interpreted programming language designed by Guido van Rossum and released in 1991. Known for its simplicity and readability, Python is widely used in web development, data science, automation, and more.

Key Features:

• Interpreted: Code runs line-by-line for easier debugging.
• Cross-Platform: Runs on Windows, macOS, and Linux.
• Rich Library: Includes many built-in modules for various tasks.

Basic Syntax:

# Variable Declaration x = 5 name = "Rahul" # If Statement with Indentation if x > 0: print("Positive number") # Function Definition def greet(name): return f"Hello, {name}!"