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: [77, -69, -47, 13, 70, 22, 70, 22, -29, 80, 83]

A: [4.0, -58.0, -17.0, 41.5, 46.0, 46.0, 46.0, -3.5, 25.5, 81.5]
****
Q: [7, -25, 16, 74, -18]

A: [-9.0, -4.5, 45.0, 28.0]
****
Q: [-60, -49, -14, 95, 62, 63]

A:
[-54.5, -31.5, 40.5, 78.5, 62.5]
****