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]

[-40, 54]
[7.0]

[-3, -60, -50, -72, 38, -58, 8, 77]

[-31.5, -55.0, -61.0, -17.0, -10.0, -25.0, 42.5]