how does round work in python code example

Example 1: round to the nearest integer python

int(round(x))

Example 2: python round down

>>>import math
>>> math.floor(1.6)
1
>>> math.floor(2)
2
>>> math.floor(3.9)
3

Example 3: how to round whole numbers in python

#To round decimals
round(123.4)
#To select the significant number you whish to round to
#add extra parameter
round(12.456, 2)
#To round whole numbers
round(1236, -1)