1.1 Python and Basic Syntax

1.1 Python and Basic Syntax

After this unit you will: choose the right Python version, and write a piece of code with no basic syntax errors.

Key points

• Always use Python 3 — Python 2 reached end of life in 2020.
• Python is case-sensitive: age, Age, AGE are three different names.
• Blocks are defined by indentation (4 spaces per PEP 8); the line that opens a block ends with :.
• A single-line comment starts with #.