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].

[-59, 35, 54, 98, 61, -21, 64, 91, -17, -70]
[-12.0, 44.5, 76.0, 79.5, 20.0, 21.5, 77.5, 37.0, -43.5]

[63, -14, -65, -83, -91, 76, 14, 67, -91, 2, -40]
[24.5, -39.5, -74.0, -87.0, -7.5, 45.0, 40.5, -12.0, -44.5, -19.0]

[9, -75, 80, 29, 84, -15, 3, 32, -10, 59, 15, 14, 47, -69, -11]

[-33.0, 2.5, 54.5, 56.5, 34.5, -6.0, 17.5, 11.0, 24.5, 37.0, 14.5, 30.5, -11.0, -40.0]