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].

[93, 23, -18, 1, -66]
[58.0, 2.5, -8.5, -32.5]

[93, -62, -77, 30]
[15.5, -69.5, -23.5]

[-90, -33, -64, -56, 43]

[-61.5, -48.5, -60.0, -6.5]