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].

[-68, -29, -8, -76, 90, 60, 14, 63, -12]
[-48.5, -18.5, -42.0, 7.0, 75.0, 37.0, 38.5, 25.5]

[45, 48, -28, 45]
[46.5, 10.0, 8.5]

[-80, 13, -65, 69, -88, -76]

[-33.5, -26.0, 2.0, -9.5, -82.0]