=+ for strings

[Dan Sommers]

On Sun, 3 May 2020 19:38:06 -0700 (PDT)
James Smith <bjlockie021 at gmail.com> wrote:

> I tried:
>     dt=+"{:02d}".format(day)
> but I got:
>     dt=+"{:02d}".format(day)
> TypeError: bad operand type for unary +: 'str'
> 
> This works:
>     dt=dt+"{:02d}".format(day)
> 
> Why can't I do the shortcut on strings?

ITYM:

    dt += "{:02d}".format(day)

Note += rather than =+ (which is parsed as an assignment operator
followed by a unary plus operator).

-- 
“Atoms are not things.” – Werner Heisenberg
Dan Sommers, http://www.tombstonezero.net/dan