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].

[22, -21, -6, -2, -76, -26]
[0.5, -13.5, -4.0, -39.0, -51.0]

[68, -66]
[1.0]

[19, -30]

[-5.5]