What i do is a simple range call. for i in range(number of times i want to repeat something)
I guess it comes from my C days for(i=0;i<100;i++) { or in python for i in range(99): On Feb 3, 2008 3:34 AM, Roy Smith <[EMAIL PROTECTED]> wrote: > In article > <[EMAIL PROTECTED]>, > [EMAIL PROTECTED] wrote: > > > Ruby has a neat little convenience when writing loops where you don't > > care about the loop index: you just do n.times do { ... some > > code ... } where n is an integer representing how many times you want > > to execute "some code." > > > > In Python, the direct translation of this is a for loop. When the > > index doesn't matter to me, I tend to write it as: > > > > for _ in xrange (1,n): > > some code > > > > An alternative way of indicating that you don't care about the loop > > index would be > > > > for dummy in xrange (1,n): > > some code > > > > But I like using _ because it's only 1 character and communicates well > > the idea "I don't care about this variable." > > Not to me. If I read "for _ in ...", I wouldn't be quite sure what _ was. > Is it some magic piece of syntax I've forgotten about? Or something new > added to language while I wasn't paying attention (I still consider most > stuff added since 1.5 to be new-fangled :-)). If I see "dummy", I know it > means, "the language requires a variable here, but the value is not > needed". > > > 1. It might be a little jarring to people not used to it. I do admit > > it looks pretty strange at first. > > > > 2. The variable _ has special meaning at the interactive interpreter > > prompt. There may be some confusion because of this. > > Wow, I didn't even know about #2. Now you see what I mean about "some > magic syntax"? Surely, between, "It looks strange", and "there may be > some > confusion", that's enough reason not to use it? > > But, more to the point, I'd try to find variable name which described why > I > was looping, even if I didn't actually use the value in the loop body: > > for number_that_you_shall_count_to in xrange(3): > print "Whaaaaaaa" > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://search.goldwatches.com/?Search=Movado+Watches http://www.jewelerslounge.com http://www.goldwatches.com
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