python round down
>>>import math
>>> math.floor(1.6)
1
>>> math.floor(2)
2
>>> math.floor(3.9)
3
python round down
>>>import math
>>> math.floor(1.6)
1
>>> math.floor(2)
2
>>> math.floor(3.9)
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)
how to round a number in python
round(n, ndigits) # round(1.123456789,5) --> 1.12346
how to round a number up in python
>>> import math
>>> math.ceil(3.2) # round up
4
python round without math
(int(10*x-0.5)+1) / 10.0
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