Introduction to Python Programming for Beginners
Key Points At A Glance
- Python is a popular, beginner-friendly programming language.
- It was created by Guido van Rossum and is known for simple syntax.
- The print() command displays output on the screen.
- Variables store values like text (strings) and numbers (integers).
- Common data types are string, integer, float and boolean.
- Python uses indentation to group and organise code.
Python is one of the most popular programming languages in the world — used by beginners, big companies like Google and Netflix, and scientists building artificial intelligence. The best part? It was designed to be easy to read and easy to learn. If you have never written a single line of code, this is the perfect place to start.
What Is Python?
Python is a high-level programming language created by Guido van Rossum in 1991. A programming language is simply a way to give instructions to a computer. Python is famous for its simple, English-like syntax, which means your code reads almost like normal sentences.
Why Learn Python?
There are hundreds of programming languages, so why start with Python?
- Easy to read — its clean style is great for beginners.
- Versatile — used for websites, apps, data science, AI and automation.
- Huge community — millions of free tutorials and ready-made tools.
- In demand — Python skills are highly valued in jobs today.
Your First Python Program
The classic first program in any language is printing a message on screen. In Python it is just one line:
- print("Hello, World!")
That's it. The print() command tells Python to display whatever is inside the brackets. Simple and readable — that is the Python style.
Variables — Storing Information
A variable is like a labelled box that stores a value so you can use it later.
- name = "Riya"
- age = 15
- print(name)
Here, name stores text and age stores a number. You can then use these variables anywhere in your program.
Basic Data Types
Python works with different types of data:
- String (str) — text inside quotes, like "Hello".
- Integer (int) — whole numbers, like 10.
- Float — decimal numbers, like 3.14.
- Boolean (bool) — true or false values.
Doing Simple Maths
Python can act like a calculator:
- a = 5
- b = 3
- print(a + b)
This would display 8. You can also use - for subtraction, * for multiplication and / for division.
Making Decisions with if
Programs often need to make choices. The if statement lets Python decide what to do:
- if age > 12:
- print("You are a teenager")
If the condition is true, the indented line runs. Notice Python uses indentation (spaces) to group code — this is one of its key rules.
Where Python Is Used
- Web development — building websites and apps.
- Data science and AI — analysing data and training models.
- Automation — making repetitive computer tasks run by themselves.
- Games and apps — creating simple programs and tools.
Quick Summary
- Python is a beginner-friendly, widely-used programming language.
- Use print() to display output and variables to store data.
- Common data types are strings, integers, floats and booleans.
- Python uses indentation to organise code.
The fastest way to learn programming is to write small programs yourself, so try changing the examples above and see what happens. To stay consistent while learning, use the methods in How to Study Smart for Exams. Explore more Computer Science notes and all our study notes any time.
Frequently Asked Questions
Python is a high-level programming language used to give instructions to a computer. It is popular because its syntax is simple and reads almost like plain English.
Yes. Python is one of the best first languages because it is easy to read, requires less complex syntax, and has a huge community with free learning resources.
The print() function displays whatever you put inside its brackets on the screen — for example, print("Hello") shows the word Hello.
A variable is a named container that stores a value, such as a number or text, so you can use and change it later in your program.
Python is used for web development, data science, artificial intelligence, automation, app building and much more, which is why it is so widely learned.
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