[python] list slice index

data = [
    [1.0 , 1.0 , 4 , 10],
    [2.0 , 10.0, 4 , 10],
    [3.0 , 23.0, 4 , 10]
    ]

tempdata = [ item[2:] for item in data]

item[ 2 : ] mean from 2 to last

if want last - 1 element, just item [ 2 : -1 ]