On Monday, June 6, 2016 at 5:18:21 AM UTC+5:30, Michael Torrie wrote: > On 06/05/2016 10:05 AM, Uri Even-Chen wrote: > > My suggestion: Never write expressions, such as 2 ** 3 ** 2 or even 2 * 4 > > + 5, without parentheses. Always add parentheses - 2 ** (3 ** 2) (or (2 ** > > 3) **2) or (2 * 4) + 5 (or 2 * (4 + 5)). > > I can understand using parenthesis when operator precedence isn't > working the way you want or expect, but I certainly would not recommend > using it for basic arithmetic with multiplication, division, addition > and subtraction. The rules of precedence for multiplication and division > are well known and well-understood. If a language failed to implement > them that would be a bug. I think for the simple things extraneous > parenthesis makes expressions more difficult for a human to parse > because he will tend to second guess himself owing to extra parens.
Thank you very much for your explanation -- https://mail.python.org/mailman/listinfo/python-list
