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].

[11, 88]
[49.5]

[-75, -34, -1, 26, -70, 62, -63, -8, -10, -29, -27, 0, 87, 29, 29]
[-54.5, -17.5, 12.5, -22.0, -4.0, -0.5, -35.5, -9.0, -19.5, -28.0, -13.5, 43.5, 58.0, 29.0]

[93, -62, -77, 30]

[15.5, -69.5, -23.5]