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].

[-27, 83, -67, 51, -57, -18, -59, 85, -84, 68, 16, 61]
[28.0, 8.0, -8.0, -3.0, -37.5, -38.5, 13.0, 0.5, -8.0, 42.0, 38.5]

[84, -86, 12, 56, 39, 30]
[-1.0, -37.0, 34.0, 47.5, 34.5]

[89, -17, -18, -7, -19, -37, 69, -52, 94, 94, -96, -36, -50]

[36.0, -17.5, -12.5, -13.0, -28.0, 16.0, 8.5, 21.0, 94.0, -1.0, -66.0, -43.0]