python round float to nearest .5 code example

Example 1: how to round a float in python

round(number, ndigits)

Example 2: how to round a decimal to the nearest whole number in python

>>> import math

>>> math.ceil(1.2)
2

>>> math.ceil(2)
2

>>> math.ceil(-0.5)
0

Example 3: round to nearest multiple of 5 python from both end

#round up to multiple of 5 from both end
def rof(x,y,z):
    if x%5==4:
        x+=1
    elif x%5==1:
        x-=1
    elif x%5==2:
        x-=2