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].

Ex Input:
[-47, 11, -88, -4, -97, 50, 86, -64]

Ex Output:
[-18.0, -38.5, -46.0, -50.5, -23.5, 68.0, 11.0]


Ex Input:
[36, 29, -68, 61, 3, 6, -24, 58, 28, -86, -37, 32]

Ex Output:
[32.5, -19.5, -3.5, 32.0, 4.5, -9.0, 17.0, 43.0, -29.0, -61.5, -2.5]


Ex Input:
[-53, -56, -45, -28, -18, 57, -43, 80, 49, -74, 25]

Ex Output:

[-54.5, -50.5, -36.5, -23.0, 19.5, 7.0, 18.5, 64.5, -12.5, -24.5]


