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].

[-23, 63, -6, 66, -53, 18, -45]
[20.0, 28.5, 30.0, 6.5, -17.5, -13.5]

[-84, -19]
[-51.5]

[75, -28, 35]

[23.5, 3.5]