Python Tutorials

Choose a lesson to begin

Hello World and Print Statements
Learn the basics of printing output in Python
Beginner
Variables and Data Types
Store and work with different types of data
Beginner
Math and Arithmetic
Perform calculations and mathematical operations
Beginner
F-Strings and Formatting
Format text output with embedded variables
Beginner
String Methods
Transform and manipulate text with built-in methods
Beginner
Lists and For Loops
Store multiple items and iterate through them
Beginner
List Comprehensions and Generator Expressions
Master concise, Pythonic ways to create and transform sequences
Intermediate
Dictionaries and Advanced Data Structures
Master key-value mappings, nested structures, and efficient data organization
Intermediate
Functions, Decorators, and Functional Programming
Write reusable code with functions, decorators, lambda expressions, and functional patterns
Intermediate
Object-Oriented Programming (OOP)
Master classes, objects, inheritance, and OOP design patterns
Advanced
Error Handling and Exceptions
Handle errors gracefully with try-except, custom exceptions, and error recovery
Intermediate
File I/O and Data Persistence
Read and write files, work with JSON/CSV, and persist application data
Advanced

Hello World and Print Statements

Welcome to your first Python tutorial! Let's start with the most fundamental skill in programming: displaying output.

The print() Function

The print() function is your primary way to show information to users. It's simple but powerful.

Basic Printing

print("Hello, World!")

This displays: Hello, World!

Printing Multiple Items

You can print multiple things at once, separated by commas:

print("Python", "is", "fun!")

This displays: Python is fun! (Python adds spaces between items automatically)

Printing Numbers

print(42)      # whole number
print(3.14)    # decimal number
print(10 + 5)  # math calculation

Comments

Notice the # symbol? Everything after it on a line is a comment — Python ignores it. Use comments to explain your code.

# this is a comment
print("This runs")  # this is also a comment

Try It Out!

Click the example code button to load a working example, then try these challenges:

  • Print your name
  • Print three of your favorite things on one line
  • Print the result of 100 divided by 4

    • Next Steps

    Once you're comfortable with print(), move on to Variables and Data Types to learn how to store and work with information!

    🐍 Python Runner