how to round using python code example

Example 1: round python

int x = 6.3456824221

#round(number_to_roundoff, round_off_till)
#round_off_till is optional

print(round(x))    		#output: 6
print(round(x, 3)) 		#output: 6.346
print(round(x, 1)  		#output: 6.3

Example 2: python round down

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