What happens if you attempt to calculate the factorial of a negative number in Python?

If you try to calculate the factorial of a negative number in Python using the math.factorial() function, you will get a ValueError. This is because the factorial function is only defined for non-negative integers.

Here is a step-by-step breakdown of what happens:

1. You attempt to calculate the factorial of a negative number, for example, -5, using the math.factorial() function in Python.

2. Python's math.factorial() function checks if the input number is a non-negative integer.

3. Since -5 is a negative number, the function raises a ValueError.

4. The error message will be "math domain error" indicating that the input is not within the valid domain for the factorial function.

So, in Python, you cannot calculate the factorial of a negative number directly using the math.factorial() function.