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].

[-47, -92, 82, -29, -21, -46, -47, 55, -27, -9, 39, -94, 81]
[-69.5, -5.0, 26.5, -25.0, -33.5, -46.5, 4.0, 14.0, -18.0, 15.0, -27.5, -6.5]

[-19, 70, -70, -72, 67, 39, -45, -57, -75]
[25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]

[45, 65, -97, 79, 96, -85, 7, -48, 77, 79, -34]

[55.0, -16.0, -9.0, 87.5, 5.5, -39.0, -20.5, 14.5, 78.0, 22.5]