Use of the built-in int() function to Type conversion Decimal to int in Python. this function trims the values after the decimal point and returns only the integer/whole number part.
int(decimal_value)
Note: int() function rounds off the result to an integer lesser than or equal to the input.
Decimal to int Python
Simple example code.
num = 100.00
print('type:', num, type(num))
# conversion to int
num = int(num)
print('type:', num, type(num))
Output:

Do comment if you have any doubts or suggestions on this Python conversation code.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
100% wrong.
Decimal is a class in python, and what you describe is not it.
In programming, we are either 100% correct, or not.
This is not correct.