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Re: How to debug Python IDLE?

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On 10/15/2014 3:36 PM, ryguy7272 wrote:

Please pay attention to Mark's comment about how to avoid blank line 
doubling.

> def showMaxFactor(num):
>       count = num / 2
>       while count > 1:
>            if num % count == 0:
>            print 'largest factor of %d is %d' % \
>                 (num, count)
>            break
>            count -= 1
>       else:
>            print num, "is prime"
>       for eachNum in range(10, 21):
>            showMaxFactor(eachNum)
>
> With the debugger ON, I hit F5 and get this.
> 'Expected an indent block'

You saw that in a Syntax Error box.

> I wouldn't say that's debugging anything.

Quite the opposite.  Idle checks syntax before running the code since 
running the code would produce the same error anyway.

 > I can't tell what line is throwing the error, or how to fix it.

When you click OK on the box, the editor window is display with the 
error marked in red background.  In this case, that should be 'print' 
with red background.  If you indent print and run again, you should, if 
running 3.x, see 'Missing parenthesis...' and another red marking.

-- 
Terry Jan Reedy

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Thread

How to debug Python IDLE? ryguy7272 <ryanshuell@gmail.com> - 2014-10-15 12:09 -0700
  Re: How to debug Python IDLE? Terry Reedy <tjreedy@udel.edu> - 2014-10-15 15:22 -0400
    Re: How to debug Python IDLE? ryguy7272 <ryanshuell@gmail.com> - 2014-10-15 12:36 -0700
      Re: How to debug Python IDLE? MRAB <python@mrabarnett.plus.com> - 2014-10-15 20:52 +0100
      Re: How to debug Python IDLE? Terry Reedy <tjreedy@udel.edu> - 2014-10-15 22:21 -0400
  Re: How to debug Python IDLE? ryguy7272 <ryanshuell@gmail.com> - 2014-10-15 13:45 -0700
    Re: How to debug Python IDLE? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-15 22:19 +0100

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