Python Hello World & Using the REPL | Beginner Python Tutorial
Hey everyone! 👋 Welcome back to the Python for QA & Developers playlist.
In this video, we’ll write our first Python program and explore how to run Python code in two ways: as a script file and in the Python REPL. Whether you’re on Mac, Windows, or Linux, this tutorial will help you understand the basics of Python programming and give you the confidence to start coding.
You’ll learn:
How to write a Python Hello World script
How to save and run Python scripts from a file
What the Python REPL is and how to use it
How to test Python code interactively for quick feedback
Useful tips for beginners to experiment and learn faster
📌 Sample commands & code used in this video:
Hello World example
print("Hello, World!")
Python REPL example
print("Hello REPL!")
To run a script file:
python hello.py # macOS/Linux
python hello.py # Windows PowerShell/Command Prompt
To open the REPL, just type:
python # or python3 on some systems
Exit the REPL with:
exit() # or Ctrl+D on Mac/Linux, Ctrl+Z then Enter on Windows
This tutorial is perfect for beginners, QA engineers, and developers who want to start automating tasks, writing scripts, or just experimenting with Python code.
Check out the next video in this playlist where we’ll learn about variables and how Python stores data, building on what we learned here with Hello World and the REPL.
Sample Python scripts for this video:
https://github.com/qadevtips/QA-and-D...
Don’t forget to like, comment, and subscribe if this video helped you get started with Python!
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