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: [-51, 1, -77, -80, 33, -42, 41, 86, -18, 58]

A: [-25.0, -38.0, -78.5, -23.5, -4.5, -0.5, 63.5, 34.0, 20.0]
****
Q: [-19, 69, 5, -99, 92, 24]

A: [25.0, 37.0, -47.0, -3.5, 58.0]
****
Q: [22, -83, 76]

A:
[-30.5, -3.5]
****