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Re: Error Testing

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On 19/10/2013 13:23, Scott Novinger wrote:
> Hello.
>
> I've written a program for my kids to calculate arc length.  I want to include some error testing for value types entered that are something other than integer values.
>
> My goal is to make sure that the value entered for the radius is an integer value.
>
> How could I rewrite this code to make sure I accomplish my goal of getting an integer value entered?  I know the construct is not correct.  I'm just learning how to program.
>
>      # Create the variable for radius, "radius".
>      print('Please enter the circle radius and press ENTER:')
>      radius = input()
>
>      # Check to make sure the entered value is an integer.
>      if type(radius) != type(int):
>          print('You must enter an integer value.')
>          print('Please enter the circle radius and press ENTER:')
>          radius = input()
>      else:
>          print('The radius you entered is: ' + radius)
>
>      radius = int(radius)
>
> Thanks for your help. I'm using Python v3.2 for windows.
>
> Scott
>

Please see the example here 
http://docs.python.org/3/tutorial/errors.html#handling-exceptions.  If 
you want further data feel free to ask, we don't bite :)

-- 
Roses are red,
Violets are blue,
Most poems rhyme,
But this one doesn't.

Mark Lawrence

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Thread

Error Testing Scott Novinger <scnovinger@gmail.com> - 2013-10-19 05:23 -0700
  Re: Error Testing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-10-19 13:37 +0100
    Re: Error Testing Scott Novinger <scnovinger@gmail.com> - 2013-10-19 06:34 -0700
      Re: Error Testing Chris Angelico <rosuav@gmail.com> - 2013-10-20 00:42 +1100
      Re: Error Testing rusi <rustompmody@gmail.com> - 2013-10-19 09:22 -0700
        Re: Error Testing Chris Angelico <rosuav@gmail.com> - 2013-10-20 09:28 +1100
        Re: Error Testing Ned Deily <nad@acm.org> - 2013-10-19 15:46 -0700
        Re: Error Testing Chris Angelico <rosuav@gmail.com> - 2013-10-20 10:02 +1100
        Re: Error Testing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-10-20 12:18 -0400
  Re: Error Testing Ned Batchelder <ned@nedbatchelder.com> - 2013-10-19 08:44 -0400
    Re: Error Testing Roy Smith <roy@panix.com> - 2013-10-19 08:57 -0400
      Re: Error Testing Chris Angelico <rosuav@gmail.com> - 2013-10-20 00:04 +1100
      Re: Error Testing Ned Batchelder <ned@nedbatchelder.com> - 2013-10-19 09:07 -0400
        Re: Error Testing Roy Smith <roy@panix.com> - 2013-10-19 09:09 -0400
      Re: Error Testing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-10-19 14:19 +0100
  Re: Error Testing Chris Angelico <rosuav@gmail.com> - 2013-10-20 00:01 +1100
  Re: Error Testing David Robinow <drobinow@gmail.com> - 2013-10-19 14:08 -0400
  Re: Error Testing Tim Chase <tim@thechases.com> - 2013-10-19 13:31 -0500
  Re: Error Testing Terry Reedy <tjreedy@udel.edu> - 2013-10-19 15:50 -0400
  What's wrong with Windows Command Prompt (was Re: Error Testing) Terry Reedy <tjreedy@udel.edu> - 2013-10-19 16:35 -0400
  Re: What's wrong with Windows Command Prompt (was Re: Error Testing) Chris Angelico <rosuav@gmail.com> - 2013-10-20 09:15 +1100
  Re: Error Testing Chris Angelico <rosuav@gmail.com> - 2013-10-20 09:20 +1100
  Re: What's wrong with Windows Command Prompt (was Re: Error Testing) David Robinow <drobinow@gmail.com> - 2013-10-21 15:55 -0400
  Re: What's wrong with Windows Command Prompt (was Re: Error Testing) Tim Chase <python.list@tim.thechases.com> - 2013-10-21 15:29 -0500

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