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].

[-27, -64]
[-45.5]

[51, -95, 3, 67, 33, -55, -29, 65, -85, -91]
[-22.0, -46.0, 35.0, 50.0, -11.0, -42.0, 18.0, -10.0, -88.0]

[37, 36, -19, 34, 36, -55, 7, 10, 4, -50, 61]

[36.5, 8.5, 7.5, 35.0, -9.5, -24.0, 8.5, 7.0, -23.0, 5.5]