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].

[-13, 31, 0, 53]
[9.0, 15.5, 26.5]

[-5, -12, 63, 46, -38, -6, -77, 21, 22, 93, 95, -97, 24]
[-8.5, 25.5, 54.5, 4.0, -22.0, -41.5, -28.0, 21.5, 57.5, 94.0, -1.0, -36.5]

[-12, -68, 29, 54, 22, 38, -92, 25, 6]

[-40.0, -19.5, 41.5, 38.0, 30.0, -27.0, -33.5, 15.5]