Re: [Python-ideas] PEP 8 update on line length

2019-02-24 Thread Alex Walters
> Probably because IBM decided on 80 columns for their punched cards. > And that probably didn't have anything to do with a readable width > for text. Nobody used computers for word processing back then. > In fact punched cards predate computers altogether, originally > being developed for elect

Re: [Python-ideas] PEP 8 update on line length

2019-02-24 Thread Raymond Hettinger
> On Feb 22, 2019, at 1:10 PM, Greg Ewing wrote: >> “Typesetters hundreds of years ago used less than 80 chars per line, so >> that’s what we should do for Python code now” is a pretty weak argument. > > But that's not the entire argument -- the point it is that typesetters > had the goal of

Re: [Python-ideas] PEP 8 update on line length

2019-02-24 Thread David Mertz
As a human, and one who reads and writes code even, I know that MY ability to understands the meaning of a line of code starts to plummet when it reaches about 65-70 characters in length. Yes, of course there are some "it depends" caveats that make some lines easier and some harder. But an 80 char