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: [-19, 70, -70, -72, 67, 39, -45, -57, -75]

A: [25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]
****
Q: [-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]

A: [-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]
****
Q: [36, -53]

A:
[-8.5]
****