18 May
2021
18 May
'21
9:19 a.m.
Hi,
Le 5/17/21 à 11:37 AM, Tung Anh Nguyen a écrit :
I'm using Python 3.8.5 on Ubuntu 20.04. I just don't understand these things?
float("8.1")*100
810.0
float("8.2")*100
819.9999999999999 ?
float("8.3")*100
830.0000000000001 ?
float("8.4")*100
840.0
Why is that? Is that a bug? or something I don't know yet? Could you guys answer my question?
We can answer, there's a whole page on the subject on docs.python.org:
=> https://docs.python.org/3/tutorial/floatingpoint.html
and if you want a bit of amusement around this:
import webbrowser webbrowser.open(f"https://%7B.1+.2%7D.com")
Bests, -- [Julien Palard](https://mdk.fr)