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].

[10, 78, -51, -20, 48, 55, -72, -1]
[44.0, 13.5, -35.5, 14.0, 51.5, -8.5, -36.5]

[-74, -2]
[-38.0]

[39, -90, 75, -51, 14, -96, 36, -95, 99, 88, 42]

[-25.5, -7.5, 12.0, -18.5, -41.0, -30.0, -29.5, 2.0, 93.5, 65.0]