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: [42, 55, -1, 83, 35, 85, 50, 90, -12, -65, 43, 94, 39, -39, -78]

A: [48.5, 27.0, 41.0, 59.0, 60.0, 67.5, 70.0, 39.0, -38.5, -11.0, 68.5, 66.5, 0.0, -58.5]
****
Q: [-12, -11, -13, 37, 73, -7, -15, 62, 1, 5, 93, -30, 21, 29, 99]

A: [-11.5, -12.0, 12.0, 55.0, 33.0, -11.0, 23.5, 31.5, 3.0, 49.0, 31.5, -4.5, 25.0, 64.0]
****
Q: [-38, 74, -68, -95, -2, -19, 29, 63, 11, 95, 82, -57, -50, -12]

A:
[18.0, 3.0, -81.5, -48.5, -10.5, 5.0, 46.0, 37.0, 53.0, 88.5, 12.5, -53.5, -31.0]
****