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Python for AI — Beginner Foundations

Data Science

Basics · Lesson 20 of 76

Python syntax

Syntax is the set of rules for how Python code must be written. Two rules matter most early on:

  1. One instruction per line (usually).
  2. Indentation has meaning. The spaces at the start of a line tell Python what belongs together — it's not just for looks.
Python

Python is also case-sensitive: Name and name are two different things. Get a rule wrong and Python stops with an error message — which is normal, and the next lesson shows how to read them.

Your turn: remove the spaces before the first print and run it — see the error, then put them back.

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