net/disk IO stat functions: use a list comprehension in conjunction with sum()/zip() to calculate the sum of the total values instead of summing them one by one
net/disk IO stat functions: use a list comprehension in conjunction with sum()/zip() to calculate the sum of the total values instead of summing them one by one

git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@1332 d8a29897-7e4b-0410-a74a-8bb4c295346f

hybridlogic/psutil,hybridlogic/psutil,hybridlogic/psutil