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].

[-79, -48, 58, -34, 17]
[-63.5, 5.0, 12.0, -8.5]

[-99, -62, -46, -87, -99, -49, -24, -26, -22, 61, -48, -25, -59, -51, -85]
[-80.5, -54.0, -66.5, -93.0, -74.0, -36.5, -25.0, -24.0, 19.5, 6.5, -36.5, -42.0, -55.0, -68.0]

[-15, -41, 22, 75, 51, 92, 90, -86, -48, 66, 23, 10]

[-28.0, -9.5, 48.5, 63.0, 71.5, 91.0, 2.0, -67.0, 9.0, 44.5, 16.5]