math.floor()

Math

Returns the largest integer less than or equal to x.

Signature

math.floor(x)

Returns

int

Example

import math
print(math.floor(3.9))   # 3
print(math.floor(-1.1))  # -2

About math.floor()

math.floor is a Python math function with the signature math.floor(x). Returns the largest integer less than or equal to x. It returns a value of type int.

Python provides a rich set of built-in functions and standard library modules that cover common programming tasks. Understanding these functions helps you write more idiomatic, efficient Python code. The math.floorfunction is commonly used in data processing, web development, scripting, and automation tasks.

When working with math.floor(), consider edge cases like empty inputs, None values, and type mismatches. Python's duck typing means many built-in functions work with any object that implements the required protocol (e.g., __len__ for len(), __iter__ for iteration). This flexibility is a key strength of Python's design philosophy.

Related Functions

math.ceil()round()int()math.sqrt()