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:
[-31, 82, -67, -41, -11, 78, -32]

Ex Output:
[25.5, 7.5, -54.0, -26.0, 33.5, 23.0]


Ex Input:
[9, 62, 4, -63, -50, 9, -19, -42, -20]

Ex Output:
[35.5, 33.0, -29.5, -56.5, -20.5, -5.0, -30.5, -31.0]


Ex Input:
[74, 1, 0, -48, -70, -9, -5, -3, -96, 36, 63, -46, 87, 16, -82]

Ex Output:

[37.5, 0.5, -24.0, -59.0, -39.5, -7.0, -4.0, -49.5, -30.0, 49.5, 8.5, 20.5, 51.5, -33.0]