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Quick Guide

Get Started With Python

This section helps you start working with Python step by step. You will learn how to install Python, run your first program, check Python versions, and use Python from the command line.

Python Install

To start using Python, you must first install Python on your system. Python is available for Windows, macOS, and Linux.
After installation, Python provides:
  • Python Interpreter
  • Command Line Tool
  • Standard Library
Important

Always install the latest stable version of Python for best features and security.

Code Example 1: Check if Python Is Installed

bash
python --version

Code Example 2: Alternative Command (Some Systems)

bash
python3 --version

Python Quickstart

Python allows you to write and run code immediately without complex setup. You can run Python code using:
  • Interactive Mode
  • Script Files
Python is often used to quickly test ideas and logic.
Beginner Tip

Python is great for learning because you can see results instantly.

Code Example 1: First Python Program

python
print("Hello, World!")

Code Example 2: Simple Calculation

python
print(10 + 20)

Python Version

Python has multiple versions, but the two major ones are:
  • Python 2 (deprecated)
  • Python 3 (actively used)
Today, Python 3 is the standard and should always be used.
Caution

Python 2 is no longer supported. Always use Python 3.

Code Example 1: Check Python Version

bash
python --version

Code Example 2: Version Inside Python

python
import sys
print(sys.version)

The Python Command Line

The Python Command Line allows you to:
  • Run Python interactively
  • Execute scripts
  • Test small pieces of code
It is very useful for learning and debugging.
Key Concept

The Python Command Line is also called the Python Shell.

Code Example 1: Start Python Command Line

bash
python

Code Example 2: Run Python Code in Command Line

python
print("Welcome to Code Marathi")