Module

Definition

A module is a file containing Python code that can define functions, classes, and variables. It can also include runnable code and is used to organize code in larger programs.

5 Must Know Facts For Your Next Test

1. The math module provides mathematical functions like square root, sine, cosine, etc.
2. To use the math module, you need to import it using 'import math'.
3. Functions in the math module can be called using the dot notation (e.g., math.sqrt(4)).
4. Common functions include math.ceil(), which rounds a number up to the nearest integer, and math.floor(), which rounds down.
5. The math module includes constants such as math.pi for π (pi) and math.e for Euler's number.

Review Questions

• How do you import the math module in Python?
• What function from the math module would you use to find the square root of a number?
• Name two constants provided by the math module.

Related terms

Function: A block of reusable code that performs a specific task. Functions are defined using the 'def' keyword.

Import: A statement used to bring in modules or specific items from modules into your current namespace.

Namespace: A container where names are mapped to objects, preventing naming conflicts in a program.