On 10/10/2007 1:00 AM, Chris Mellon wrote: > On 10/9/07, Tommy Grav <[EMAIL PROTECTED]> wrote: >> Hi everyone, >> >> I have a list of objects where I have want to do two loops. >> I want to loop over the list and inside this loop, work on all >> the elements of the list after the one being handled in the outer >> loop. I can of course do this with indexes: >> >> >>> alist = range(3) >> >>> for i in xrange(len(alist)): >> ... for j in xrange(i+1,len(alist)): >> ... print i,j,alist[i],alist[j] >> ... >> 0 1 0 1 >> 0 2 0 2 >> 1 2 1 2 >> >>> >> >> >> Is there a way to do this without using indexes? >> > >>>> for idx, i in enumerate(alist): > ... for jdx, j in enumerate(range(1,4)):
# BZZZZZZT Holy hardwired hogwash, Batman! > ... print idx, jdx, i, j > ... > 0 0 0 1 > 0 1 0 2 > 0 2 0 3 # BZZZZZZZT no such animal as 3 > 1 0 1 1 # BZZZZZZZT "after"??? > 1 1 1 2 > 1 2 1 3 # BZZZZZZZT no such animal as 3 > 2 0 2 1 > 2 1 2 2 > 2 2 2 3 # BZZZZZZZT "after"??? -- http://mail.python.org/mailman/listinfo/python-list
