bartc bc at freeuk.com
Sun Oct 15 06:15:22 EDT 2017

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On 15/10/2017 03:10, Stefan Ram wrote:
>    I made an error I made a thousand times before.
> 
>    I had programmed an endless loop.
> 
>    But never did I see before so clear why it's called
>    an endless loop. (Tested in IDLE.)
> 
> from turtle import *
> 
> reset(); reset(); shape( 'turtle' ); showturtle()
> 
> def poly( n, length ):
>      i = 0
>      while i < n:
>          forward( length )
>          left( 360/n )
> 
> poly( 5, 100 )
> done()

I assume you're talking about the while-loop (because on my machine, it 
hangs just using 'from turtle...' or 'import turtle').

That looks to be a repeat-N-times loop. There isn't a dedicated 
statement for that, the closest Python feature would be 'for i in 
range(n)' with i a dummy loop variable.

-- 
bartc

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