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].

[84, 76, -56, 90, -63, 11, -25, 44, -16, -86, -51, -87, -7, 38]
[80.0, 10.0, 17.0, 13.5, -26.0, -7.0, 9.5, 14.0, -51.0, -68.5, -69.0, -47.0, 15.5]

[53, 13, 15]
[33.0, 14.0]

[-20, -25, 1, 59, 42, -3, -28, -30, -89, -34, 83, -1]

[-22.5, -12.0, 30.0, 50.5, 19.5, -15.5, -29.0, -59.5, -61.5, 24.5, 41.0]