Given 2 Number-Lists say l0 and l1, count the various positiv differences between the 2 lists
the following part works: dif=[abs(x-y) for x in l0 for y in l1] da={} for d in dif: da[d]=da.get(d,0)+1 i wonder, if there is a way, to avoid the list dif Ernst-Ludwig Brust -- http://mail.python.org/mailman/listinfo/python-list