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:
[-77, -52, 64, 34, -9, 29, -91, 90, 8, -87, 34, 1, -8]

Ex Output:
[-64.5, 6.0, 49.0, 12.5, 10.0, -31.0, -0.5, 49.0, -39.5, -26.5, 17.5, -3.5]


Ex Input:
[-75, -34, -1, 26, -70, 62, -63, -8, -10, -29, -27, 0, 87, 29, 29]

Ex Output:
[-54.5, -17.5, 12.5, -22.0, -4.0, -0.5, -35.5, -9.0, -19.5, -28.0, -13.5, 43.5, 58.0, 29.0]


Ex Input:
[-46, -22, -65, 59, -87, -76, -54, -83]

Ex Output:

[-34.0, -43.5, -3.0, -14.0, -81.5, -65.0, -68.5]