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: [-12, -89]

A: [-50.5]
****
Q: [-37, 76, -35, 6, -72, 89, -100, -9, -81, 73, 90, -20]

A: [19.5, 20.5, -14.5, -33.0, 8.5, -5.5, -54.5, -45.0, -4.0, 81.5, 35.0]
****
Q: [-71, -8, -87, 82, 30, 43, -98, 21, -23, 44, -68, -63, -18]

A:
[-39.5, -47.5, -2.5, 56.0, 36.5, -27.5, -38.5, -1.0, 10.5, -12.0, -65.5, -40.5]
****