Reference: https://docs.python.org/3/library/math.html.
The math
module contains helpful numeric functions:
import math # load the module to avoid `NameError: name 'math' is not defined`
math.pi #> 3.141592653589793
math.sqrt(4) #> 2.0
math.ceil(4.4) #> 5.0
math.floor(4.4) #> 4.0
math.trunc(4.4) #> 4