Answers for "how to get float number on with 3 decimals"

python 2 decimal places

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

>> 432.45

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

>> 321.00

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'