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: [87, 22, 13, 9, -28, -51, -58, -11, 40, 60, 25]

A: [54.5, 17.5, 11.0, -9.5, -39.5, -54.5, -34.5, 14.5, 50.0, 42.5]
****
Q: [57, -42, -14, -48, -62, 7, -9]

A: [7.5, -28.0, -31.0, -55.0, -27.5, -1.0]
****
Q: [-99, 92, -11, -76, 9, -3, -67, -70, 11, -16, 71]

A:
[-3.5, 40.5, -43.5, -33.5, 3.0, -35.0, -68.5, -29.5, -2.5, 27.5]
****