how to round in python

1>>> x = 13.949999999999999999
2>>> x
313.95
4>>> g = float("{0:.2f}".format(x))
5>>> g
613.95
7>>> x == g
8True
9>>> h = round(x, 2)
10>>> h
1113.95
12>>> x == h
13True

1>>> import math
2
3>>> math.ceil(5.2)
46
5
6>>> math.ceil(5)
75
8
9>>> math.ceil(-0.5)
100

1int x = 6.3456824221
2
3#round(number_to_roundoff, round_off_till)
4#round_off_till is optional
5
6print(round(x))    		#output: 6
7print(round(x, 3)) 		#output: 6.346
8print(round(x, 1)  		#output: 6.3

1round(number, ndigits)

1round(number, decimalPlaces = 0)

1# round(number, decimals=0)
2
3n = 10.84859734
4
5round(n)     # 11
6round(n, 1)  # 10.8
7round(n, 2)  # 10.85