如何使rp和xrange动态?

Hey guys many thanks for taking the time to look at my problem, I have been working on this code for about 1 week (I am new to coding and to python 1 week also) Currently the loop only works if x in xrange(x) and 'rp' : 'x' is the correct number of rows available from this xml. The xml updates throughout the day, I was wondering if anyone can offer a solution to make x dynamic?Hey guys many thanks for taking the time to loo