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].

[-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]
[-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]

[33, 46, -100, 16, 70, -36, 56, 71, -95]
[39.5, -27.0, -42.0, 43.0, 17.0, 10.0, 63.5, -12.0]

[-56, 97, -61, 22, 61, 59, 92, -100, -29]

[20.5, 18.0, -19.5, 41.5, 60.0, 75.5, -4.0, -64.5]