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: [-7, 40, 98, 92, -81, 78, -22, 21]

A: [16.5, 69.0, 95.0, 5.5, -1.5, 28.0, -0.5]
****
Q: [43, 84]

A: [63.5]
****
Q: [-89, 76, 76, -74, 40, -27]

A:
[-6.5, 76.0, 1.0, -17.0, 6.5]
****