Operator precedence problem
Gary Herron
gherron at digipen.edu
Sun Jun 5 03:04:43 EDT 2016
On 06/04/2016 11:53 PM, ICT Ezy wrote:
>>>> 2 ** 3 ** 2
> Answer is 512
> Why not 64?
> Order is right-left or left-right?
Evidently right to left, but you already figured that out.
Python 3.5.1+ (default, Mar 30 2016, 22:46:26)
[GCC 5.3.1 20160330] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 2 ** 3 ** 2
512
>>> 2 ** (3 ** 2)
512
>>> (2 ** 3) ** 2
64
>>>
Here's the relevant documentation page:
https://docs.python.org/3/reference/expressions.html
Look for "... except for exponentiation, which groups from right to left"
Gary Herron
--
Dr. Gary Herron
Professor of Computer Science
DigiPen Institute of Technology
(425) 895-4418
More information about the Python-list
mailing list