how do i take a csv file like this and split up the file into a dict where the top entry is the key and the rest of the column is a list that is the value. can only use loops, dicts, lists. and python i will upvote!!

Event, E, px, py, pz, pt,eta, phi,Q,MET, phiMET 1, 11, 111, 1333, 1433, 145, 15, 16, 1535, 14343, 123 2,22,222,233,23434,24343,21341, 2423,225,2123,22 3,33,333,333,33434, 343,323423,3665,387,43433,3323 3,44,444,433,43434,4324,43243, 44324,4123,4543,423 5,55,555,533,534343,5421,56541,5765,51354,552452,52323 6,66,666,633,64343,6987,6345,62234,6123,6654,6223232