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].

[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]

[-81, 99, -79, 70, 91]
[9.0, 10.0, -4.5, 80.5]

[92, 42, 22, 8, -66, -70, 9]

[67.0, 32.0, 15.0, -29.0, -68.0, -30.5]