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:
[-96, 12]

Ex Output:
[-42.0]


Ex Input:
[-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]

Ex Output:
[-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]


Ex Input:
[-70, -83]

Ex Output:

[-76.5]