> For the complete documentation index, see [llms.txt](https://george-jen.gitbook.io/data-science-and-apache-spark/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://george-jen.gitbook.io/data-science-and-apache-spark/python-basics.md).

# Basics

### Basics

Numbers:

\>>> 2 + 2

4

\>>> 50 - 5\*6

20

\>>> (50 - 5\*6) / 4

5.0

\>>> 8/5 # division always returns a floating-point number

1.6