Does underscore has any special built-in meaningin Python ?

[Bruno Desthuilliers]

Ben Finney a écrit :
> dandi kain <dandi.kain at gmail.com> writes:
> 
>> What is the functionality of __ or _ , leading or trailing an object ,
>> class ot function ?

<OP>
Please note that in Python, classes and functions are objects too. But 
anyway, these underscores are part of *identifiers*, not objects 
themselves !-)
</OP>

>     foo      Ordinary name, part of public interface
>     _foo     Ordinary name, part of internal-only interface
>     __foo    Ordinary name, but will be mangled (this style used rarely)
>     __foo__  Name which is used in a special way by Python

And FWIW:

      foo_     When you want to use a reserved name for identifier (ie: 
'class_' , 'or_', 'and_' etc)