while semantics

[Erik Max Francis]

David Bear wrote:

> What about
> 
> while (condition):
>         do stuff
>         do more stuff
>         condition becomes true
>         do even more stuff
> 
> Will while terminate AS SOON as condition is true, or will it evaluate
> all
> statements in the block?

(I presume you mean "as condition is false" here.)  Once the condition
becomes false, it will evaluate the remaining statements in the block,
the while loop will test the condition, which will evaluate to false,
and then leave the control structure.  The condition is only tested upon
each entry into the block.  If it's true, the whole block is executed. 
If it's false, the while structure is done and it moves on.

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