string formatting for float in python code example

Example 1: 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

Example 2: python 3 f string float format

#!/usr/bin/env python3

val = 12.3

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