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].

Q: [22, -21, -6, -2, -76, -26]

A: [0.5, -13.5, -4.0, -39.0, -51.0]
****
Q: [83, -11, 38]

A: [36.0, 13.5]
****
Q: [47, -89, 28]

A:
[-21.0, -30.5]
****