🐍 Python Overview
Learn Python step by step — beginner to advanced
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📘 What is Python?
Python is a high-level, interpreted programming language released in 1991. It emphasizes readability and simplicity, making it beginner-friendly yet powerful enough for complex applications. Python is widely used in web development, data science, machine learning, automation, and backend systems.
💻 Coding Example
def greet(name):
return f"Hello, {name}!"
print(greet("World"))This simple function demonstrates Python’s clean syntax and string interpolation.
🖼️ Virtual Diagram
Python Application Layers
- 🔹 User Interface (CLI, Web, GUI)
- 🔹 Application Logic (Functions, Classes, Modules)
- 🔹 Libraries & Frameworks (Django, Flask, NumPy, Pandas)
- 🔹 Runtime (Python Interpreter)
- 🔹 System Resources (OS, Database, APIs)
⚖️ Pros and Cons
✅ Pros
- Readable and beginner-friendly syntax
- Large ecosystem of libraries and frameworks
- Cross-platform and versatile
- Strong community support
- Excellent for rapid prototyping
❌ Cons
- Slower execution compared to compiled languages
- High memory usage for large-scale apps
- Not ideal for mobile development
- Global Interpreter Lock (GIL) limits multithreading
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