Print "Hello, World!"
Your very first Python program that prints "Hello, World!" to the screen.
What You'll Learn
- How to write and run your first Python program
- Using the built-in print() function
- Understanding basic string output
Python Print "Hello, World!" Program
This program helps you to learn the fundamental structure and syntax of Python programming.
# The classic first Python program
print("Hello, World!")Hello, World!
Step-by-Step Breakdown
- 1Open a file named hello.py (or use a Python REPL).
- 2Write the line: print("Hello, World!")
- 3Run the file using: python hello.py
- 4Observe the output printed in the terminal.
Understanding Print "Hello, World!"
This is the traditional first program you write in any language. It helps you verify that Python is installed and working correctly on your system.
print() function
print() is a built-in Python function used to display output on the screen.How it works
print("Hello, World!")."Hello, World!" is passed as an argument to print().This single-line program introduces:
Let us now understand every line and the components of the above program.
Note: To write and run Python programs, you need to set up the local environment on your computer. Refer to the complete article Setting up Python Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your Python programs.
Practical Learning Notes for Print "Hello, World!"
This Python program is part of the "Basic Python Programs" topic and is designed to help you build real problem-solving confidence, not just memorize syntax. Start by understanding the goal of the program in plain language, then trace the logic line by line with a custom input of your own. Once you can predict the output before running the code, your understanding becomes much stronger.
A reliable practice pattern is to run the original version first, then modify only one condition or variable at a time. Observe how that single change affects control flow and output. This deliberate style helps you understand loops, conditions, and data movement much faster than copying full solutions repeatedly.
For interview preparation, explain this solution in three layers: the high-level approach, the step-by-step execution, and the time-space tradeoff. If you can teach these three layers clearly, you are ready to solve close variations of this problem under time pressure.