string format python float precision code example

Example 1: python f string float precision

#!/usr/bin/env python3

val = 12.3

print(f'{val:.2f}')
print(f'{val:.5f}')

Example 2: python 2 decimal places

print(format(432.456, ".2f"))

>> 432.45

print(format(321,".2f"))

>> 321.00

Example 3: python format float

>>> x = 13.949999999999999999
>>> x
13.95
>>> g = float("{:.2f}".format(x))
>>> g
13.95
>>> x == g
True
>>> h = round(x, 2)
>>> h
13.95
>>> x == h
True