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: [-73, -25, -81, 3, 49, -56, 5, -90, -83, -48, 47]

A: [-49.0, -53.0, -39.0, 26.0, -3.5, -25.5, -42.5, -86.5, -65.5, -0.5]
****
Q: [73, -32, -75, 39, -10, -15, 90, -89, -56, 40, -66, -89, -34]

A: [20.5, -53.5, -18.0, 14.5, -12.5, 37.5, 0.5, -72.5, -8.0, -13.0, -77.5, -61.5]
****
Q: [4, 38, -9]

A:
[21.0, 14.5]
****