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].

[65, 82, -67, -51]
[73.5, 7.5, -59.0]

[1, 50, -16, -45, 72]
[25.5, 17.0, -30.5, 13.5]

[-86, 56, 48, -15, 34, -59, -98, 21, -19, 92, 58, 33, 76, -70]

[-15.0, 52.0, 16.5, 9.5, -12.5, -78.5, -38.5, 1.0, 36.5, 75.0, 45.5, 54.5, 3.0]