[Tutor] more problems, my final questions

[Andrei Kulakov]

On Wed, Jul 10, 2002 at 04:39:29PM +0000, Kyle Babich wrote:
> Yes, I've read that tutorial before.  It was nice, but the one that
> taught me the most by far was:
> http://blacksun.box.sk/tutorials/python.htm
> 
> Anyway, I came up with a work around where I write sleeptime to a
> temporary file and extract it later.  I have narrowed my last problem
> down to this:
> 
> logret = open( "custom.dat", "r" )
> slptm = logret.read()
> logret.close()
> 			
> time.sleep( slptm * 60 )
>
It is read in as a string: "12" (for example). You have to convert it
to an integer: int("12") => 12

>>> slptm = int("12")
>>> >>> slptm
>>> >>> 12
>>> >>>
> 
> Why can't I do that?
> 
> I tried in IDLE and I can do similar things like:
> 
> >>> slptm = 10
> >>> import time
> >>> time.sleep( slptm * 1 )
> 
> So what went wrong and how would I fix this?
> 
> Thank you again,
> Kyle
> 
> On Wed, 10 Jul 2002 10:37:59 -0400, "Lloyd Kvam"
> <pythontutor@venix.com> said:
> > I assume cont() is your old hour2 function.
> > 
> > In custom use cont( sleeptime).  This passes the sleeptime variable to
> > cont.  You need to change the definition of cont to something like:
> > 
> > def cont( sleeptime):
> > 
> > Now I used the same name sleeptime within both custom and cont.  This
> > isn't
> > necessary, but can avoid confusion.  Also note that sleeptime is
> > originally
> > set to be a StringType variable as returned by raw_input.  You will
> > need to
> > convert this to a number before doing any arithmatic with it.
> >      sleeptime = int(sleeptime)
> > will do the trick so long as sleeptime is truly an integer.
> > 
> > You would probably be well served spending some time going through Alan
> > Gauld's
> > web site:
> > http://www.freenetpages.co.uk/hp/alan.gauld/
> > Learning to program
> > 
> > Kyle Babich wrote:
> > 
> > > It works! :)
> > > 
> > > The only bug I have left is when trying to execute cont() I need the
> > > sleeptime variable from custom().  How do I import it?
> > > 
> > > On Tue, 9 Jul 2002 22:35:49 -0400, "Timothy M. Brauch"
> > > <tbrauch@mindless.com> said:
> > > 
> > >>----- Original Message -----
> > >>From: "Kyle Babich" <kb@kb5.org>
> > >>To: "tutor" <tutor@python.org>
> > >>Sent: Tuesday, July 09, 2002 10:08 PM
> > >>Subject: [Tutor] more problems, my final questions
> > >>
> > >>
> > >>
> > >>>New problems has arisin.  I was wondering if there was way to replace:
> > >>>if begin in "Yy":
> > >>>        print "why is the sky blue?"
> > >>>
> > >>>With something like:
> > >>>if begin == "Y" "y":
> > >>>        print "why isn't the sky green or purple?"
> > >>>
> > >>You should be able to use either:
> > >>if begin in ['Y', 'y']:
> > >>        do something
> > >>        ...
> > >>or
> > >>if begin == 'Y' or begin == 'y':
> > >>        do something
> > >>        ...
> > >>
> > >>I am not sure which one is preferred...
> > >>
> > >>>(only unlike the code above I need something that works of course)
> > >>>
> > >>>I'm asking because I recently added:
> > >>>else begin in "CustomcustomCUSTOM":
> > >>>
> > >>In this case, I think it would be better to use the list:
> > >>if begin in ['Custom', 'custom', 'CUSTOM']:
> > >>        ...
> > >>
> > >>
> > >>>But I had also changed the Yy and Nn to be YyYesyesYES and NnNonoNO,
> > >>>however the o in No and the o and custom are conflicting and I'm trying
> > >>>to find a way to fix this.  Any ideas?
> > >>>
> > >>Although, a solution I just thought of that might make things even
> > >>easier...
> > >>import string
> > >>...
> > >>begin = string.lower(begin)
> > >>if begin in ['y', 'yes']:
> > >>        ...
> > >>
> > >>The third line converts begin to all lowercase (you could just as
> > >>arbitrarily use string.upper()) thus making the possible choices fewer.
> > >>
> > >>Although, all of this is fly-by-the-seat-of-my-pants-untested code.  It
> > >>looks correct as I type it into my email...
> > >>
> > >>
> > >>>Also, my final questions regaurding this program:
> > >>>Could some one point me to an example or show me how to
> > >>>countdown/countup time.sleep?
> > >>>And the same goes for delaying/suspending and prematurly ending
> > >>>time.sleep.
> > >>>
> > >>Someone else will have to handle this.  I will admit I only listen to
> > >>this
> > >>list with one ear, that is, only when I have free time, which seems to
> > >>be
> > >>almost never.
> > >>
> > >>
> > >>>If anyone sees any problems-waiting-to-happen in my program (attached)
> > >>>please tell me.
> > >>>
> > >>Again, someone else...
> > >>
> > >>
> > >>>Thank you, this list has been so helpful.
> > >>>--
> > >>>Kyle
> > >>>
> > >> - Tim
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > > 
> > > --
> > > Kyle
> > > 
> > > 
> > > _______________________________________________
> > > Tutor maillist  -  Tutor@python.org
> > > http://mail.python.org/mailman/listinfo/tutor
> > > 
> > > 
> > 
> > 
> > -- 
> > Lloyd Kvam
> > Venix Corp.
> > 1 Court Street, Suite 378
> > Lebanon, NH 03766-1358
> > 
> > voice: 
> > 603-443-6155
> > fax: 
> > 801-459-9582
> > 
> > 
> > 
> > 
> > 
> 
> --
> Kyle
> 
> 
> _______________________________________________
> Tutor maillist  -  Tutor@python.org
> http://mail.python.org/mailman/listinfo/tutor
> 
> 

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