project-folder/ │── main.py # Entry point of the program │── modules/ # Extra Python files with reusable code │── data.json # Data storage (like SQL queries or UI tech list) │── README.md # Documentation
class ClassOne: def init(self, name): self.name = name
def greet(self):
return f"Hello, I am {self.name} from ClassOne."
class ClassTwo: def init(self, number): self.number = number
def square(self):
return f"The square of {self.number} is {self.number ** 2}."
if name == "main": # Create objects obj1 = ClassOne("Mounika") obj2 = ClassTwo(5)
# Use methods
print(obj1.greet())
print(obj2.square())
:
🐍 What Makes Python Special Readable syntax → looks almost like English, so beginners can pick it up quickly.
Cross‑platform → works on Windows, Mac, Linux.
Huge ecosystem → thousands of libraries for almost any task.
Community support → millions of developers, tutorials, and open‑source projects
.
🔑 Major Uses of Python Data Analytics & Visualization 📊 → Pandas, NumPy, Matplotlib, Seaborn.
Machine Learning & AI 🤖 → TensorFlow, PyTorch, Scikit‑learn.
Web Development 🌐 → Django, Flask, FastAPI.
Automation & Scripting ⚙️ → automate Excel, emails, or repetitive tasks.
Database Work 💾 → connect with SQL databases using sqlite3, SQLAlchemy, PyODBC.
Game Development 🎮 → Pygame for simple 2D games.
Scientific Computing 🔬 → SciPy, SymPy for math and science.