nums = [4, -7, 9, 1, -1, 8, -6] half_of_nums = [x/2 for x in nums] #[2, -3.5, 4.5, 0.5, -0.5, 4, -3] #optionally you can add an if statement like this half_of_positive_nums = [x/2 for x in nums if x>=0] #[2, 4.5, 0.5, 4]