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].

[-17, -67, -20, -30, 91, 51, -35, -90, 6, 93, -32, -97, 98, -11]
[-42.0, -43.5, -25.0, 30.5, 71.0, 8.0, -62.5, -42.0, 49.5, 30.5, -64.5, 0.5, 43.5]

[-53, 31, 52]
[-11.0, 41.5]

[28, -88, 74, 73, -45, 71, 92, -72, -28, -6, 34]

[-30.0, -7.0, 73.5, 14.0, 13.0, 81.5, 10.0, -50.0, -17.0, 14.0]