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:
[0, -85, 1, 64, 53, -80, 18, 45, 57, -84, -11, 80, -23, 91]

Ex Output:
[-42.5, -42.0, 32.5, 58.5, -13.5, -31.0, 31.5, 51.0, -13.5, -47.5, 34.5, 28.5, 34.0]


Ex Input:
[42, -88, 79, -30, 60, 0, -35, -9, -72, 97, -57, -41, -43]

Ex Output:
[-23.0, -4.5, 24.5, 15.0, 30.0, -17.5, -22.0, -40.5, 12.5, 20.0, -49.0, -42.0]


Ex Input:
[-36, -13, -45, -39, -58]

Ex Output:

[-24.5, -29.0, -42.0, -48.5]