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].

[23, -1, 90, 56, -44]
[11.0, 44.5, 73.0, 6.0]

[1, 50, -16, -45, 72]
[25.5, 17.0, -30.5, 13.5]

[9, -24, -6, 11, -65, -70, -29, -56, -13, 77, -56, -100, -10, 71, 67]

[-7.5, -15.0, 2.5, -27.0, -67.5, -49.5, -42.5, -34.5, 32.0, 10.5, -78.0, -55.0, 30.5, 69.0]