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].

[-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]

[-54, -41, 62, -97, 75, 85, -38, -11, 99, -77, 36]
[-47.5, 10.5, -17.5, -11.0, 80.0, 23.5, -24.5, 44.0, 11.0, -20.5]

[59, 65, -43, -7, -94, -7, 88, -86, -5, -91, 60, 56, 58, -13]

[62.0, 11.0, -25.0, -50.5, -50.5, 40.5, 1.0, -45.5, -48.0, -15.5, 58.0, 57.0, 22.5]