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].

[53, 13, 15]
[33.0, 14.0]

[-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]

[20, -15, -74, -38, -22, 62, 12, 14]

[2.5, -44.5, -56.0, -30.0, 20.0, 37.0, 13.0]