how to round numbers in python to 3rd decimal code example

Example 1: round to two decimal places python

>>> x = 13.949999999999999999
>>> x
13.95
>>> g = float("{0:.2f}".format(x))
>>> g
13.95
>>> x == g
True
>>> h = round(x, 2)
>>> h
13.95
>>> x == h
True

Example 2: round down decimal python

import math

val = 3.14
math.floor(val) # rounds down --> 3
math.ceil(val) # rounds up val --> 4