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, 42, 0, -99, -11, 17, -42, -72]

A: [42.0, 21.0, -49.5, -55.0, 3.0, -12.5, -57.0]
****
Q: [20, 17, 12, -4, 33, -71, 17, -43, 72, -53, 80]

A: [18.5, 14.5, 4.0, 14.5, -19.0, -27.0, -13.0, 14.5, 9.5, 13.5]
****
Q: [49, 83, 49, -17, 79, 5, -29, 57, 94, 2, -96, 32, 57]

A:
[66.0, 66.0, 16.0, 31.0, 42.0, -12.0, 14.0, 75.5, 48.0, -47.0, -32.0, 44.5]
****