[Tutor] Long Lines techniques

[Steven D'Aprano]

On Thu, Dec 13, 2018 at 11:07:59PM -0500, Avi Gross wrote:

[...]
> There are cases where it may make sense to have a long like connected by AND
> or OR given how python does short-circuiting while returning the last thing
> or two it touched instead of an actual True/False. For example, you may want
> to take the first available queue that is not empty with something like
> this:
> 
> Using = A or B or C or ... or Z
> Handling = Using.pop()
> 
> Sure, that could be rewritten into multiple lines. 

using = (A or B
         or C or D 
         or E or F)


[...]
> I recently wrote some code and ran into error messages on lines I was trying
> to keep short:
> 
> A = 'text"
> A += "more text"
> A += object
> A+= ...

Without knowing the error message, its impossible to say what the 
problem is. My guess is that the object on line three wasn't a string. 
In which case, the obvious fix is:

A += str(object)



-- 
Steve