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].

[53, -70, 12, 14, -11, -69, 85]
[-8.5, -29.0, 13.0, 1.5, -40.0, 8.0]

[55, -33, 9, 23, -18, -6, -90, -6, -78]
[11.0, -12.0, 16.0, 2.5, -12.0, -48.0, -48.0, -42.0]

[-87, -69, -65, 82]

[-78.0, -67.0, 8.5]