python float digits code example
Example 1: python 2 decimal places
print(format(432.456, ".2f"))
>> 432.45
print(format(321,".2f"))
>> 321.00
Example 2: how to get decimal part of a double in python
decimal = input("Input decimal number: ") #123.456
# split 123.456 by dot = ['123', '456']
after_coma = decimal.split('.')[1]
# because only index 1 is taken then '456'
print(after_coma) # '456'