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].

[72, 26, -4, 14, 32, 55, -93, 5, -61, 52, -68, 93, 27, 24, 80]
[49.0, 11.0, 5.0, 23.0, 43.5, -19.0, -44.0, -28.0, -4.5, -8.0, 12.5, 60.0, 25.5, 52.0]

[27, -75, 71, -18, -67, -62, 95, 3, 10]
[-24.0, -2.0, 26.5, -42.5, -64.5, 16.5, 49.0, 6.5]

[34, -29]

[2.5]