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].

[-45, 34]
[-5.5]

[8, -8, 26, -88, 71, -9, -10, -93, -91, -72, -12]
[0.0, 9.0, -31.0, -8.5, 31.0, -9.5, -51.5, -92.0, -81.5, -42.0]

[87, 34, 59, -97, -67, -71, -28, -51, 56]

[60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]