math.ceil

Rounds a number up.

Synopsis

import math
math.ceil(number)

Description

Use ceil when a part needs a whole one: 10 pupils in groups of 3 need 4 groups, not 3.

Parameters

Return value

An int.

Example

import math

print(math.ceil(3.2))
print(math.ceil(10 / 3))

It prints:

4
4

Common mistake

print(10 // 3)

It prints:

3

Not an error, but a wrong answer for the groups problem: // rounds down, so one pupil is left out.

See also

math.floor, round

math.ceil in the Python documentation