Newb ??

[Fredrik Lundh]

Norman Silverstone wrote:
> > Heh, you will find that Python is practically executable pseudo-code!
> >
> > Untested:
> >
> >
> > def guess_number():
> >     # please don't cheat the poor computer...
> >     print "Guess a number."
> >     lo = 0
> >     hi = 100
> >     while True:
> >         guess = (lo+hi)//2
> >         ans = raw_input("Is it %d? y/n " % guess)
> >         if ans in ('y', 'yes'):
> >             break
> >         ans = raw_input("Too high? y/n ")
> >         if ans in ("y", "yes"):
> >             hi = guess-1
> >         else:
> >             lo = guess+1
> >
> > This should run, and it will *almost* do what you want.
>
> Thanks for that but I think it is too simplistic. It appears OK for the
> first guess, which is 50 but, what about the next guess.

did you test the script?


 If the guess is
> too high then the next guess has to be 50/2. However, if it is too low
> then the next guess must be first guess + (100-second guess)/2. In general
> terms, if guess is too high then next guess must (guess - lowest
> possible)/2 and if too  low then it is guess + (highest possible -
> guess)/2.
>
> Comments please.
>
> Norman
>
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>