[Tutor] Correct use of range function..

[adam urbas]

I see... Very Intriguing.> To: tutor at python.org> From: alan.gauld at btinternet.com> Date: Sun, 10 Jun 2007 18:16:00 +0100> Subject: Re: [Tutor] Correct use of range function..> > > "Adam Urbas" <jped.aru at gmail.com> wrote> >I discovered something about your revers word program here.  I used> > the "for c in word" one.> > if you type an indented print after print c, then it will print the> > words vertically.  Just thought I'd share that with you.> > You can achieve the same by missing out the comma at the end> of the print statement too. The comma suppresses a newline> character. By using a second print you put it back! So just> missing the comma achieves the same end result.> > Alan G.> > > On 6/10/07, Kent Johnson <kent37 at tds.net> wrote:> >> David Hamilton wrote:> >> > I just finished doing an exercise in a tutorial on the range > >> > function> >> > and while I got it to work, my answer seems ugly. I'm wondering > >> > if I'm> >> > missing something in the way I'm using the range function.> >> > The tutorial ask me to print a string backwards. My solution > >> > works, but> >> > it it just doesn't "feel" right :).  My result is difficult to > >> > read and> >> > I feel like I'm probably over complicating the solution. > >> > Suggestions?> >> >> >> > word="reverse"> >> > #Start at the end of the string, count back to the start, > >> > printing each> >> > letter> >> > for  i in range(len(word)-1,-1,-1):> >> >     print word[i],> >>> >> That's probably the best you can do using range(). You could write> >> ln = len(word)> >> for i in range(ln):> >>    print word[ln-i-1],> >>> >> but that is not much different.> >>> >> You can do better without using range; you can directly iterate the> >> letters in reverse:> >>> >> for c in word[::-1]:> >>    print c,> >>> >> Kent> >> _______________________________________________> >> Tutor maillist  -  Tutor at python.org> >> http://mail.python.org/mailman/listinfo/tutor> >>> > _______________________________________________> > Tutor maillist  -  Tutor at python.org> > http://mail.python.org/mailman/listinfo/tutor> > > > > _______________________________________________> Tutor maillist  -  Tutor at python.org> http://mail.python.org/mailman/listinfo/tutor
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