Introduction to Python

Introduction to Python

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1. What is Python?

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Python is a high-level programming language known for its simplicity and readability. It is used in various fields:
✅ Web development
✅ Data Science and Machine Learning
✅ Automation and scripting
✅ Cybersecurity, etc.

Some key characteristics of Python:

• Interpreted: The code runs line by line.
• Multi-paradigm: Supports procedural, object-oriented, and functional programming.
• Rich ecosystem: A vast collection of libraries (Django, NumPy, etc.).

👉 Recommended reading:

• The Zen of Python 📜
• Official Documentation 📚

2. Installing Python

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1. Check if Python is already installed

   • Open a terminal and type:

     python --version
     

   • Or, depending on your system:

     python3 --version
     

2. Install Python

   • 📌 Windows/Mac: Download Python
   • 📌 Linux (Debian/Ubuntu):

     sudo apt update && sudo apt install python3
     

   • 📌 Linux (Void Linux):

     sudo xbps-install -S python3
     

3. Testing the Python Interpreter

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Once installed, let’s test the interpreter:

python3

An interactive prompt appears:

>>> print("Hello, World!")
Hello, World!

💡 The Python interpreter allows real-time command execution, making it useful for quickly testing code.