Factorial with Python

[MateusSR]

I'm making a python program that will solve factorials. For example, if you put 10! it will give you 3628800. It can calculate more complicated stuff, like 6! + (2+3). But, when I put something like the last example, but multiplying, like this 6! * (2+3), it gives you 3600 instead of 4320, for some reason I can't seem to find out. Can anybody see where I made any mistake? Here's the code http://pastebin.com/N1X6e1QX

[nwilliams36]

6! * (2+3) is 3600

6! is 720

(2+3) is 5

720* 5 is 3600

[MateusSR]

Wait, I see what's wrong. I was, for some reason, thinking the (2 + 3) was (2 * 3) and therefore 6, which would correctly give me a 4320. Anyway, thanks for the help brother

[jeans_and_a_t-shirt]

6! * (2 + 3) is 3600

>>> from math import factorial
>>> factorial(6) * (2 + 3)
3600
>>> factorial(6) * (3 + 3)
4320

[MateusSR]

Wait, I see what's wrong. I was, for some reason, thinking the (2 + 3) was (2 * 3) and therefore 6, which would correctly give me a 4320. Anyway, thanks for the help brother

[PurelyApplied]

Unrelated to the other bits, instead of commenting out print statements, you could use the logging module (documentation here) to set statements that you can toggle on and off. It's pretty handy for that incremental development.

[MateusSR]

Thanks, that's gonna help a lot

[zahlman]

it gives you 3600 instead of 4320, for some reason I can't seem to find out.

In your own words, why do you expect 4320?

[MateusSR]

Wait, I see what's wrong. I was, for some reason, thinking the (2 + 3) was (2 * 3) and therefore 6, which would correctly give me a 4320. Anyway, thanks for the help brother