Data Types

Data Type (Python)

Defines the type of value a variable refers to; all data types in Python are objects.

Primitive Data Types

Simple, foundational types in Python including numeric, text, and boolean.

int

A numeric data type used to represent whole numbers.

float

A numeric data type used to represent numbers with decimal points.

complex

A numeric data type used to represent complex numbers; not used in this course.

str

A data type used to represent text data, enclosed in quotes.

bool

A data type used to represent truth values: True or False.

type() Function

A built-in function used to return the data type of an object.

Type Conversion

The process of converting one data type to another, either implicitly or explicitly.

Implicit Type Conversion

Also called coercion; Python automatically converts data types during operations.

Explicit Type Conversion

Manually converting data types using built-in functions like int() or float().

Constant (Python)

A variable intended to remain unchanged, named in uppercase by convention.

Naming Convention for Constants

Constants are named using all uppercase letters (e.g., PI = 3.14159).