python round complex numbers code example

Example 1: python round up

>>> import math

>>> math.ceil(5.2)
6

>>> math.ceil(5)
5

>>> math.ceil(-0.5)
0

Example 2: 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 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)