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🐍 Coding with Python

Start coding with Python, the readable language behind apps and AI.

lessons

~30 min

to learn

🔬 Science

subject

Teens

level

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What you’ll learn

Describe what Python is, why it is readable, and run a first simple program.Python, created by Guido van Rossum and released in 1991, is a popular, readable language using indentation to structure code. A first program uses print, and comments and error messages guide beginners.
Use variables, core data types, lists, dictionaries, math operators, and input.Variables store values, and Python has data types like strings, integers, floats, and Booleans. Lists and dictionaries organize collections, while operators and input allow calculation and interactivity.
Control programs with if statements, loops, and functions, and see where Python leads.if statements make decisions, loops repeat work, and functions defined with def make code reusable. These basics underpin larger programs in web development, data science, and AI.

Questions this course answers

Who created the Python programming language?

Guido van Rossum began developing Python in December 1989 and released the first version in 1991.

What does the line print("Hello, world!") do?

The print function outputs whatever is inside the parentheses, here the greeting text.

In Python, a line beginning with the # symbol is:

Comments after a hash are notes for humans and are ignored by Python when it runs the program.

What is a variable in Python?

A variable is a named container you create by assigning a value, like age = 15, and can update later.

Which of these is a Python integer (int)?

An integer is a whole number like 42; "hello" is a string, 3.14 is a float, and True is a Boolean.

Which Python data structure stores key-value pairs?

A dictionary stores pairs like {"name": "Sam"}, letting you look up a value by its key.

Grounded in trusted sources

Python Software Foundation, official documentation and General Python FAQ (docs.python.org)
'Python (programming language)', Wikipedia (en.wikipedia.org/wiki/Python_(programming_language))
Computer History Museum, profile of Guido van Rossum (computerhistory.org)
Eric Matthes, 'Python Crash Course', 3rd edition (2023)

Every Wunder lesson is built from real, reputable sources — never invented.

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