Learn By Example · Beginner to Advanced

Learn Python Programming

A clear, example-first guide to Python for data analysis. Every topic has its own page with plain-English explanations, runnable code shown next to its actual output, practical tips, common mistakes to avoid, and at least one advanced example. Start at the top and work down, or jump straight to what you need.

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How this guide works: each topic below opens its own dedicated page. Every page follows the same format — explanation, code, output, tips, and an advanced example — and has Previous/Next links at the bottom so you can work through everything in order without coming back here each time.
Getting Started
2 topics

The absolute basics — variables, data types, and your first lines of code.

Data Structures
5 topics

Python's core containers: list, tuple, dictionary, set, and string.

Control Flow
4 topics

Make decisions and repeat actions: if/elif/else and every loop type Python offers.

Functions
2 topics

Package up reusable logic, then write it even more concisely with lambda and comprehensions.

Import & Export
2 topics

Get real data in and out of Python using CSV and Excel files.

NumPy & Pandas
2 topics

The two libraries every Python data-analysis workflow is built on top of.

Data Visualization
6 topics

Matplotlib and Seaborn — from a first line plot to publication-ready statistical charts.

Statistical Analysis for Research
1 topic

Advanced, research-focused walkthroughs using a realistic dataset — full descriptive analysis and regression.