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].

[20, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]
[-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]

[-25, 42, -59, 3, 93]
[8.5, -8.5, -28.0, 48.0]

[21, -70, -23, -7, -53, 28]

[-24.5, -46.5, -15.0, -30.0, -12.5]