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].

[-14, 33, -89]
[9.5, -28.0]

[43, -57]
[-7.0]

[-57, 93, 92, 54, 64, 87, 76, -5, -99, 90, -48, 85, -76, 47]

[18.0, 92.5, 73.0, 59.0, 75.5, 81.5, 35.5, -52.0, -4.5, 21.0, 18.5, 4.5, -14.5]