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].

[-55, -71, -30, -22]
[-63.0, -50.5, -26.0]

[-80, -95, 61, -96, 44, 18, 84, -7]
[-87.5, -17.0, -17.5, -26.0, 31.0, 51.0, 38.5]

[-12, 24, 38, 51, 0, -80, 48, -31, 74, 2, 93, -13]

[6.0, 31.0, 44.5, 25.5, -40.0, -16.0, 8.5, 21.5, 38.0, 47.5, 40.0]