operator overloading + - / * = etc...

[Fredrik Lundh]

Paul Rubin wrote:

> The symbols on the left side of = signs are called variables even in
> Haskell, where they don't "vary" (you can't change the value of a
> variable once you have set it).

at the language specification level, the things to the left side of = 
signs are called "targets" in Python.  if they are plain identifiers, 
they're called "names".

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