What does integer mean?

A whole number, positive, negative or zero, with no fractional part: 3, -12, 0. Python calls the type int.

Also written as: integers, int

In a lesson

20 / 5 printed 4.0, not 4: / always gives a float, even when the answer is whole. // gives an integer. round tidies a long float: the second argument is how many decimal places to keep.

Learn it

• Taught in F1.9 Arithmetic operators Programming basics, GCSE

Used in

• F1.8 Data types and casting
• F1.10 Project: ask and drive
• F3.2 Character codes and conversion
• F3.3 Lists: one-dimensional arrays
• F3.6 Records
• F5.1 What an algorithm is
• F5.5 Linear search
• F5.6 Binary search
• F6.1 Defensive design and validation
• F6.3 Testing and test data

and 93 more lessons.

All glossary terms