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, 93, -7, 31, -45, -70, -28, 78]
[12.5, 43.0, 12.0, -7.0, -57.5, -49.0, 25.0]

[-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]
[-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]

[78, 13, -84, -18, -78, -4, 27, -52, 78, 31, -72]

[45.5, -35.5, -51.0, -48.0, -41.0, 11.5, -12.5, 13.0, 54.5, -20.5]