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: [-53, -56, -45, -28, -18, 57, -43, 80, 49, -74, 25]

A: [-54.5, -50.5, -36.5, -23.0, 19.5, 7.0, 18.5, 64.5, -12.5, -24.5]
****
Q: [15, -78, -76, 35, 42, 83]

A: [-31.5, -77.0, -20.5, 38.5, 62.5]
****
Q: [-12, 12, 9, -74, -21, 29, 14, 34, -80, -37]

A:
[0.0, 10.5, -32.5, -47.5, 4.0, 21.5, 24.0, -23.0, -58.5]
****