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:
[-23, 63, -6, 66, -53, 18, -45]

Ex Output:
[20.0, 28.5, 30.0, 6.5, -17.5, -13.5]


Ex Input:
[-29, 22, -42, -12, 58, 25, -52, -44, 94, -43, -69]

Ex Output:
[-3.5, -10.0, -27.0, 23.0, 41.5, -13.5, -48.0, 25.0, 25.5, -56.0]


Ex Input:
[-68, -75, -100, -20, 6, 12, -19, -12, -38]

Ex Output:

[-71.5, -87.5, -60.0, -7.0, 9.0, -3.5, -15.5, -25.0]