import math to rounf dup code example
Example 1: how to round a number down in python
>>> import math
>>> math.floor(3.9) # round down
3
Example 2: 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)