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:
[-25, 42, -59, 3, 93]

Ex Output:
[8.5, -8.5, -28.0, 48.0]


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]


Ex Input:
[71, -9, 12, -66, 5, -72, -37, 13, -7, -46, -40, 79, 85, 20]

Ex Output:

[31.0, 1.5, -27.0, -30.5, -33.5, -54.5, -12.0, 3.0, -26.5, -43.0, 19.5, 82.0, 52.5]