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[Tutor] beginning to code

On Tue, 19 Sep 2017 17:46:32 +1000, Chris Angelico wrote:

> # Display booleans differently if x is True:
>     ... display flag
> else:
>     ... display number
> which would be better represented with "if isinstance(x, bool):"

Given that True is a singleton, it is redundant to write

if isinstance(x, bool) and x:

I'd write "if x is True" if I really, honestly wanted True specifically.

Steven D'Aprano
?You are deluded if you think software engineers who can't write 
operating systems or applications without security holes, can write 
virtualization layers without security holes.? ?Theo de Raadt