how to round a number down in python

# To round a number in Python, use 'round()'
round(21.57) # Output: 22
round(5.473, 2) # Output: 5.47

>>> import math

>>> math.ceil(5.2)
6

>>> math.ceil(5)
5

>>> math.ceil(-0.5)
0

import math

val = 3.14
math.floor(val) # rounds down --> 3
math.ceil(val) # rounds up val --> 4

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

>>> int(1.6)
1
>>> int(2)
2
>>> int(3.9)
3

>>> import math

>>> math.ceil(3.2) # round up
4

round(n, ndigits) # round(1.123456789,5) --> 1.12346

>>> import math

>>> math.floor(3.9) # round down
3