In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].

[7, -10, -55, 26, -43, 13, 16, -100, 57, 71, 98, -89, 35]
[-1.5, -32.5, -14.5, -8.5, -15.0, 14.5, -42.0, -21.5, 64.0, 84.5, 4.5, -27.0]

[-32, 35, -68, -34]
[1.5, -16.5, -51.0]

[88, 0, 54, 71, 80, 56, -53, -84, -5, 73, 35, -34, -85, 39, -68]

[44.0, 27.0, 62.5, 75.5, 68.0, 1.5, -68.5, -44.5, 34.0, 54.0, 0.5, -59.5, -23.0, -14.5]